This is the web site document accompanying the book
The Evolving Universe
First, there are web addresses relevant to each Section of the book.
Second, there are 28 short multiple choice quizes along with an answer key for
each.
There are 64 pages if you wish to print this entire document.
Section 1: The Widening World View: Web Addresses
1.
2.
3.
4.
5.
6.
7.
8.
9.
When science was born
Science in Athens
Planetary Spheres and the Size of the Universe
Medieval Cosmology
The roots of the Copernican revolution
True laws of planetary motion revealed
Galileo Galilei and His Successors
How faraway are the stars?
The scale of the Solar System
The Naked Eye Sky
http://skyandtelescope.com/
The sky events, simple interactive star map and news releases about astronomy
Lunar Cycles
http://www.calvin.edu/~lmolnar/moon/
Excellent Tutorial site
http://eclipse.gsfc.nasa.gov/eclipse.html
Eclipse information
USNO data services
Lunar phases at any date & time
Archeoastronomy When Science was Born
http://www.wam.umd.edu/~tlaloc/archastro/
Center for Archaeoastronomy
Biographies
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Ptolemy.html
Biography of Ptolemy
http://www-gap.dcs.st-and.ac.uk/~history/Biographies/Hipparchus.html
Biography of Hipparchus
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Aristarchus.html
Biography of Aristarchus
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Copernicus.html
Biography of Copernicus
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Brahe.html
Biography of Brahe
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Kepler.html
Biography of Kepler
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Galileo.html
Biography of Galileo
http://es.rice.edu/ES/humsoc/Galileo/
Various materials on Galileo
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Newton.html
Biography of Newton
http://eclipse.gsfc.nasa.gov/transit/venus0412.html
The tranisit of Venus
Section 2: Physical Laws of Nature Web Addresses
10. Newton
11. Celestial Mechanics
12. Nature of light
13. Electricity and magnetism
14. Time and space
15. Curved space and gravity
16. Atoms and Nuclei
17. Strange micro-world
18. Elementary particles
http://physicsweb.org
Internet Guide to Physics News
General Physics Video Lectures (Atoms and Nuclei, MicroWorld-Elementary Particles—
Mechanical Universe)
http://www.learner.org/resources/series42.html
Biographies: Newton, Einstein etc
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Einstein.html
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Newton.html
http://www.aip.org/history/
Einstein biography
Newton biography
Many
Physics/Astronomy
Biographies
Spectroscopy and Relativity
http://www.Colorado.EDU/physics/2000/cover.html
http://www.stsci.edu/
http://www.noao.edu/
http://www.nrao.edu/
http://www.ifa.hawaii.edu/ifa/
http://www.aao.gov.au/
General
Hubble Space Telescope
National Optical Astronomy Observatory
National Radio Astronomy Observatory
Institute for Astronomy at the University of Hawaii
Anglo-Australian Observatory
Atoms and Star Light
http://www.ipac.caltech.edu/Outreach/Edu/Spectra/spec.html Spectroscopy page with link to other more general atoms and
starlight pages
Celestial Mechanics: Uranus Neptune and Pluto (Discovery information and information about
Uranus, Neptune and other planets)
http://www.solarviews.com/eng/uranus.htm
http://www.solarviews.com/eng/neptune.htm
http://www.solarviews.com/eng/pluto.htm
http://seds.lpl.arizona.edu/nineplanets/nineplanets/nineplanets.html
http://sse.jpl.nasa.gov/index.cfm
Great commercial site.
Great commercial site.
Great commercial site.
Great Solar System Site
NASA Jet Propulsion Lab with
Uranus, Neptune and Pluto info.
Section 3: The Universe Web Addresses
19. Stars – cosmic fusion reactors
20.The Riddle of the Milky Way
21.Spiral nebulae
22. Entering the galaxy universe
23. Large scale structure of the Universe
24. Finite or infinite universe: cosmological models
25.When it all began: Big Bang
26.The dark side of the Universe
27.Active galaxies: messages through radio waves
28.Origin of galaxies
Stars Cosmic Fusion Reactors: The Sun
http://umbra.nascom.nasa.gov/
Solar Data Center
http://sohowww.nascom.nasa.gov/
Solar Heliospheric
http://www.nso.edu/
National Solar Observatory
http://bbso.njit.edu/
Big Bear Solar Observatory
http://mesola.obspm.fr/
Pic du Midi Observatory.
Interstellar Matter and Nebulae
Good Internet sites with images of emission, reflection, and dark nebulae and formation of stars..
http://hubblesite.org/newscenter/newsdesk/archive/releases/category/nebula/
Hubble Space Telescope
http://www.aao.gov.au/images.html
Anglo-Australian Observatory
Stellar Evolution and Deaths of Stars
http://zebu.uoregon.edu/textbook/se.html
Stellar Evolution web site
There are several good Internet sites on stellar evolution and supernovae.
http://rsd-www.nrl.navy.mil/7212/montes/sne.html
Extensive links on supernovae
http://zebu.uoregon.edu/galaxy.html
Astro. Dept., U of Oregon
http://www.aao.gov.au/images.html
Anglo-Australian Observatory.
Neutron Stars and Black Holes
http://cosmology.berkeley.edu/Education/BHfaq.html
Excellent answers to questions on black holes
http://antwrp.gsfc.nasa.gov/htmltest/rjn_bht.html
Virtual trips to black holes and neutron stars
Riddle of the Milky Way
http://mwmw.gsfc.nasa.gov/
Multi-wavelength images of Milky Way
Spiral Nebulae: Galaxies
Galaxycrash: http://burro.astr.cwru.edu/JavaLab/GalCrashWeb/main.html
This program is a galaxy collision simulator. The user defines the two galaxies and their velocities and the computer
calculates the interaction showing bridges and tails.
There are several good Internet sites with images of galaxies.
http://zebu.uoregon.edu/galaxy.html
Galaxies and stars
http://hubblesite.org/newscenter/
Hubble Space Telescope
http://www.aao.gov.au/images.html
Anglo-Australian Observatory
http://www.damtp.cam.ac.uk/user/gr/public/gal_home.html
Cambridge Galaxies and Cosmology
Active Galaxies
http://seds.lpl.arizona.edu/messier/galaxy.html
Galaxies from the Messier catalog
http://hubblesite.org/newscenter/newsdesk/archive/releases/1996/35/
Hubble Quasar Environment
Cosmology
http://map.gsfc.nasa.gov/
Microwave Anisotropy Probe,
http://www.astro.ucla.edu/~wright/cosmolog.htm
Introduction to cosmology
http://www.ncsa.uiuc.edu/Cyberia/Cosmos/CosmicMysteryTour.html
Introduction to cosmology
http://www.damtp.cam.ac.uk/user/gr/public/cos_home.html
Cambridge cosmology site
http://www.kempner.net/cosmic.php
Cosmology calculator
Section 4 Life in the Universe Web Addresses
29. The Nature of Life
30. The origin of Earth and its Moon
31. Origin of life
32. Life and Our Solar System
33. Extra-solar planetary systems and life in other solar systems
34. Human’s Role in the Universe
The Nature of Life
http://plato.stanford.edu/entries/life/
The nature of life. History
Origin of the Earth and its Moon
http://www.solarviews.com/eng/earth.htm
Great Commercial Site. Earth page
http://www.jpl.nasa.gov/earth/
NASA’s JPL site
http://www.jpl.nasa.gov/
NASA's JPL site with info on Moon and Mercury
http://www.solarviews.com/eng/moon.htm
Great Commercial Site
Origin of Life
http://www.gla.ac.uk/projects/originoflife/
Origin of Life site
Life and Our Solar System
http://sse.jpl.nasa.gov/search/index.cfm
NASA's JPL site with info on Moon
and Mercury
http://www.solarviews.com/eng/moon.htm
Great Commercial Site
http://www.solarviews.com/eng/mercury.htm
Great Commercial Site
http://sse.jpl.nasa.gov/search/index.cfm
NASA's JPL site with Mars,
Venus info
http://www.solarviews.com/eng/mars.htm
Great commercial site
http://www.solarviews.com/eng/venus.htm
Great commercial site
http://www.solarviews.com/eng/jupiter.htm
Great commercial site
http://www.solarviews.com/eng/saturn.htm
Great commercial site
http://seds.lpl.arizona.edu/nineplanets/nineplanets/nineplanets.html
Great Solar System Site
http://sse.jpl.nasa.gov/search/index.cfm
NASA Jet Propulsion Lab with Jupiter,
Saturn info
http://www.solarviews.com/eng/uranus.htm
Great commercial site
http://www.solarviews.com/eng/neptune.htm
Great commercial site
http://www.solarviews.com/eng/pluto.htm
Great commercial site
http://seds.lpl.arizona.edu/nineplanets/nineplanets/nineplanets.html
Great Solar System Site
http://sse.jpl.nasa.gov/search/index.cfm
NASA Jet Propulsion Lab with
Uranus, Neptune and Pluto info.
http://www.solarviews.com/eng/meteor.htm
Great Commercial Site on Meteors
http://www.solarviews.com/eng/comet.htm
Great Commercial Site on Comets
http://seds.lpl.arizona.edu/nineplanets/nineplanets/nineplanets.html
Tour of the Solar System
http://pdssbn.astro.umd.edu/
NASA Small Bodies Site
Extra-solar planetary systems and life in other solar systems
http://www.solarviews.com/eng/homepage.htm
Great Commercial Site
http://seds.lpl.arizona.edu/nineplanets/nineplanets/nineplanets.html
Tour of the Solar System
http://exoplanets.org/index.html
Extra Solar Planets
http://www.jpl.nasa.gov/
Good NASA Planetary site.
http://planetquest.jpl.nasa.gov/
NASA extra-solar planet site
Life on Other Worlds
http://exoplanets.org/index.html
California & Carnegie Planet Search
http://www.pd.astro.it/new_sites/ESP/index.htm
Italian Extra-solar planet search
http://obswww.unige.ch/~udry/planet/planet.html
Geneva Extra-solar planet site
http://www.astrobiology.com/
Astrobiology site with great links
http://www.seti-inst.edu/
SETI Institute's site
Quiz 01: The Scale of the Cosmos
1
Which arrangement is correct in increasing order of size left to right?
A
B
C
D
E
2
Almost all of us humans live on the surface of which one of the following?
A
B
C
D
3
galaxy
planet
star
solar system
Most of us humans live inside which one of the following?
A
B
C
4
planet, star, galaxy
star, planet, galaxy
galaxy, star, planet
planet, galaxy, star
star, galaxy, planet
star
planet
galaxy
Our solar system is composed of
A
B
C
D
billions of stars
billions of planets
billions of stars and planets
none of the above
Answer Key :
Quiz 01: The Scale of the Cosmos
Question: Answer
1
2
3
4
A
B
C
D
Quiz 02: The Sky (Daily Motion)
1
The celestial equator is located in the sky above
A
B
C
D
2
The zenith is located in the sky over your head if you are at
A
B
C
D
3
the
the
the
the
the
east, straight up from the horizon
east, up from the horizon slanting toward the south
east, up from the horizon slanting toward the north
west, straight up from the horizon
west, up from the horizon slanting toward the south
At the Earth's north pole, stars near the horizon travel in straight lines
A
B
C
D
7
north of overhead.
south of overhead.
through the north celestial pole.
through the south celestial polle
Here in the mid-northern hemisphere, stars rise in ________ traveling in straight lines
________.
A
B
C
D
E
6
rise in the east.
set in the west.
circle the north celestial pole counter-clockwise.
circle the north celestial pole clockwise.
As seen from the Earth's southern hemisphere, the celestial equator passes
A
B
C
D
5
Earth's equator
Earth's North Pole
Earth's South Pole
any of these
During one day and night in the mid-northern hemisphere, the stars near the north celestial
pole
A
B
C
D
4
Earth's equator
Earth's North Pole
Earth's South Pole
your head
straight up from the horizon
straight up from the horizon slanting toward the right
straight up from the horizon slanting toward the left
parallel to the horizon
Which star appears to be brightest in the sky? The one with apparent magnitude =
A
B
C
D
6
3
0
-1
Answer Key :
Quiz 02: The Sky (Daily Motion)
Question: Answer
1
2
3
4
5
6
7
A
D
C
A
B
D
D
Quiz 03: Cycles of the Sky (Seasons)
1
What causes summer here in the northern hemisphere? In the summer, at this point
A
B
C
D
2
eastward
westward
The Sun does not appear to move.
The vernal equinox is the point on the sky where the sun crosses the ____________ going
north and east.
A
B
C
D
5
winter
summer
spring
fall
The Sun moves ____________ along the ecliptic among the stars.
A
B
C
4
Earth is closer to the sun
Earth is farthest from the sun
Earth's northern hemisphere is tilted toward the sun
Earth's northern hemisphere is tilted away from the sun
When it is winter in the northern hemisphere, it is ________ in the southern hemisphere.
A
B
C
D
3
the
the
the
the
north celestial pole
south celestial pole
celestial equator
horizon
Which of the following causes seasons on the Earth?
A
B
C
D
the
the
the
the
Earth being closer to the Sun during our summer & farther during our winter
Sun's varying light output
tilt of the Earth's axis
eleven-year sunspot cycle
Answer Key :
Quiz 03: Cycles of the Sky (Seasons)
Question: Answer
1
2
3
4
5
C
B
A
C
C
Quiz 04: Cycles of the Sky (Right Ascension & Declination)
1
A star's ____________ do(es) not change during a day's interval at different times and at different
locations on the Earth. Altitude and azimuth angles indicate position in the sky relative to the observer's
horizon.
A
B
C
D
E
2
The North Celestial Pole has a declination of ________.
A
B
C
D
E
3
vernal equinox
autumnal equinox
north celestial pole
south celestial pole
horizon
The units of declination are ____________ and right ascension are ____________.
A
B
C
D
5
90°
45°
0°
-45°
-90°
Right ascension is the angle along the celestial equator from ____________ to the
point on a north-south line through the star.
A
B
C
D
E
4
altitude angle
azimuth angle
right ascension
declination
C&D
degrees, degrees
hours, hours
degrees, hours
hours, degrees
The zero point of right ascension is ________ where ________.
A
B
C
D
the
the
the
the
vernal equinox; the sun crosses the celestial equator going north and east
autumnal equinox; the sun crosses the celestial equator going south and east
summer solstice; the Sun is farthest north of the celestial equator
winter solstice; the Sun is farthest south of the celestial equator
Answer Key :
Quiz 04: Cycles of the Sky (Right Ascension & Declination)
Question: Answer
1
2
3
4
5
E
A
A
C
A
Quiz 05: Cycles of the Sky (Astrology, Moon)
1
The zodiacal signs and dates in newspaper astrology columns correspond to the zodical
constellations the sun was in during those dates
A
B
C
D
2
The origin of your zodiacal sign is the _______ the sun is in when _______.
A
B
C
D
3
E
the Earth was round.
the Earth circled the Sun.
the stars are objects similiar to our Sun, trillions of miles away.
the intensity of a candle in the same room is greater than that of the
brightest star in the night sky.
before all of the above were known
The ________ cycle of the phases of the moon is due to its _________ shape and the sun shining on it
from different directions.
A
B
C
D
6
celestial equator.
ecliptic.
celestial poles.
zenith and nadir.
Astrology was developed before it was known that
A
B
C
D
5
constellation, you die
constellation, you are born
galaxy, you die
galaxy, you were born
Zodical constellations are distributed along the
A
B
C
D
4
this year
2000 years ago
2 years ago
26,000 years ago
monthly; cubical
yearly; cubical
monthly; spherical
yearly; spherical
An eclipse of the Sun (solar eclipse) as seen from the Earth, happens when
A
B
C
D
the
the
the
the
hot luminous moon suddenly cools and stops emitting light.
moon passes between the Earth and the Sun.
Earth is between the moon and the Sun.
moon is 90 degrees from the direction of the Sun.
Answer Key :
Quiz 05: Cycles of the Sky (Astrology, Moon)
Question: Answer
1
2
3
4
5
6
B
B
B
E
C
B
Quiz 06: Origins of Modern Astronomy (The Greeks)
1
Retrograde motion of a planet occurs when for a short while it moves backward
____________ among the stars.
A
B
C
D
2
a small circle on a planet's large deferent path within the deferent
the large circle which the planet followed centered near the Earth
the path which the Earth follows around the sun
Copernicus
Ptolemy
Aristotle
Aristarchus
Eratosthenes
the
the
the
the
universe
Sun
Earth's orbit around the Sun
Earth
Aristotle concluded that the Earth was round because
A
B
C
D
6
ecliptic
ecliptic
celestial equator
celestial equator
The ancient Greek astronomer Eratosthenes measured the size of
A
B
C
D
5
the
the
the
the
The first person to propose that the Earth went around the Sun was
A
B
C
D
E
4
along
along
along
along
In Ptolemy's description of geocentric astronomy, the epicycle was
A
B
C
3
west to east
east to west
west to east
east to west
its shadow on the moon during an eclipse was always part of a circle.
ships going out to sea on a calm day appeared to sink into the ocean.
both of the above
Wrong! Aristotle thought the Earth was flat.
Hipparchus expressed the apparent brightness of stars by their magnitudes. Which list has
five stars' magnitudes listed in order of increasing brightness, left to right?
A
B
C
D
0,
1,
2,
4,
1,
0,
1,
3,
2,
2,
0,
2,
3,
3,
3,
1,
4
4
4
0
Answer Key :
Quiz 06: Origins of Modern Astronomy (The Greeks)
Question: Answer
1
2
3
4
5
6
B
A
D
D
C
D
Quiz 07: Origins of Modern Astronomy (Renaissance)
1
Tycho Brahe
A
B
C
D
2
Kepler used Tycho's observations to show that the planets
A
B
C
D
3
C
D
C
D
An object with no force on it moves in a straight line with constant velocity.
An object with a force on it is accelerated in the direction of the force an
amount inversely proportional to its mass and directly proportional to the
size of the force.
For every action there is an equal and opposite reaction.
The force between two objects is directly proportional to the product of their
masses and inversely proportional to the distance between them squared.
Edmund Halley found that the comet named after him moved in a(n) ____________ orbit around the
____________.
A
B
C
D
6
was the first person to propose that the Earth orbited the Sun
showed how retrograde motion could be explained without epicycles if the
planets all orbited the Sun
showed how retrograde motion could be explained without epicycles if the
planets all orbited the Earth
first used the telescope for astronomical purposes
Newton's law of gravitational force is expressed as follows:
A
B
5
followed perfectly circular orbits
followed perfectly cubical orbits
all circled the Earth
followed elliptical orbits
The figure shows an antique diagram of the Copernican theory. Copernicus. . .
A
B
4
was an ancient Greek astronomer
thought it was true that the Earth and planets moved around the sun
was the first to propose that the Earth orbited the Sun
made accurate measurements used later by Kepler
cubical; Sun
elliptical; Earth
elliptical; Sun
cubical; Earth
Galileo used a telescope to discover
A
B
C
D
E
spots on the Sun
craters on the moon
moons around Jupiter
moon-like phases of Venus
all of these
7
Using the law of gravity and the three laws of motion, Newton showed that the mass of a
planet (like Jupiter) could be calculated from
A
B
C
D
the distance of a satellite from Jupiter
how long it takes the satellite to orbit Jupiter once
A&B
none of the above
Answer Key :
Quiz 07: Origins of Modern Astronomy (Renaissance)
Question: Answer
1
2
3
4
5
6
7
D
D
B
D
C
E
C
Quiz 08: Astronomical Tools:(Light, Brightness & Distance, Doppler Effect)
1
Which below is electromagnetic radiation?
A
B
C
D
E
2
Which of the waves below has the shortest wavelength?
A
B
C
D
E
3
the same
twice as strong
four times as strong
1/2 as strong
1/4 as strong
If a light-emitting object is moving away from you, you observe its wavelengths to be
________ its wavelengths if it were at rest.
A
B
C
6
increases
decreases
stays the same
If an object is twice as far from the sun as a nearer object, the more distant object has
_______ intensity of sun light as the closer object.
A
B
C
D
E
5
gamma ray
x-ray
visible light
infrared
radio
According to the inverse square law, the intensity of light ((energy/sec)/m²) from a star
____________ with increasing distance.
A
B
C
4
gamma ray
x-ray
visible light
radio
all of the above
longer than
shorter than
the same as
Suppose the laboratory wavelength of a spectral line is 600 nm. In a star it is measured to
be 599.4 nm. Is the star moving toward or away from us, relative to the line of sight? How
fast is it moving? (Hint: c=300,000 km/s)
A
B
C
D
E
toward, 300 km/s
away, 300 km/s
at rest, 0 km/s
sideways, 300 km/s
toward, 150 km/s
Answer Key :
Quiz 08: Astronomical Tools:(Light, Brightness & Distance, Doppler Effect)
Question: Answer
1
2
3
4
5
6
E
A
B
E
A
A
Quiz 09: Astronomical Tools (Telescopes)
1
An ordinary glass lens forms an image by ____________ of light.
A
B
C
2
reflection
refraction
diffraction
On which side of a lens will an image of the light source form in the sketch? The light source is an
asterisk and a convex lens is two opposite parentheses. The order is D, the the light source, then A,
then the convex lens marked with a B nad then finally location A. The source is farther away from the
lens than its focal length.
D
A
B
C
D
3
1000
100
10
1
0.1
brighter
dimmer
no effect
the Sun
the moon
the Earth's atmosphere
A larger object lens shows ____________ a smaller objective lens.
A
B
C
7
To the right of the convex lens
Inside the lens
between the source and the lens
to the left of the source and the lens
Which blurs our Earth-based view of celestial objects?
A
B
C
6
A
Compared to a smaller objective lens, a larger objective lens makes a star's image
A
B
C
5
C (B)
A refracting telescope has the objective lens at the large end and the eyepiece at the small. The
objective has a focal length of 100 cm. The eyepiece has a focal length of 10 cm. What is the
magnification of the telescope?
A
B
C
D
E
4
*
more detail than
less detail than
the same amount of detail as
Reflecting telescope objectives here on Earth do not have a problem with
A
B
C
D
"seeing"
diffraction
color fringes on the image
all of the above
Answer Key :
Quiz 09: Astronomical Tools (Telescopes)
Question: Answer
1
2
3
4
5
6
7
B
A
C
A
C
A
C
Quiz 10: Atoms and Starlight
1
Two white dwarf stars are the same size, but one has a surface temperature twice as hot as the other.
The hotter star will radiate
A
B
C
D
2
A very bright UFO is seen near the moon's orbit. An astronomer takes a spectrum of it and
discovers it has a bright line spectrum on a dark background. The Earth's population is
near panic when the astronomer announces the UFO is
A
B
C
D
3
larger than
the same as
smaller than
not enough information to answer
second energy level to first (most bound)
third energy level to fourth
fourth energy level to fifth
second energy level to third
first energy level to second
Which of the hydrogen atoms below is EMITTING light at a wavelength in the Balmer series?
A
B
C
D
E
6
metal spacecraft.
giant rock about to hit the Earth.
glowing cloud of gas.
star like the sun.
Which one of the hydrogen atoms below is EMITTING light? The electron jumps from the
A
B
C
D
E
5
a
a
a
a
The wavelength of the hydrogen line from level 1 to level 2 in a hot star is ____________
the wavelength of the same line in a cool star. The stars have the same radial velocities
away from the Earth.
A
B
C
D
4
half as much energy per second as the cooler star.
the same amount of energy per second as the cooler star.
four times as much energy per second as the cooler star.
sixteen times as much energy per second as the cooler star.
second energy level to first (most bound)
third energy level to second
fourth energy level to third
second energy level to third
first energy level to second
Which of the surface temperatures below best matches Betelgeuse's surface temperature? Hint: Our
sun at 6000 K is yellow.
A
B
C
D
E
64,000 K
32,000 K
16,000 K
8000 K
2000 K
Answer Key :
Quiz 10: Atoms and Starlight
Question: Answer
1
2
3
4
5
6
D
C
B
A
B
E
Quiz 11: Scale of the Solar System & Earth and Moon
1
The Sun is about 0.01 AU in diameter. The entire solar system is about 100 AU in diameter.
The Earth is about 1 AU from the sun, and is about 0.0001 AU in size. Mighty Jupiter,
the largest planet in the solar system, is about 0.001 AU in size. The volume of our
solar system is mostly filled up by
A
B
C
D
2
On Earth, according to current ideas about plate tectonics,____________ were once together.
A
B
C
D
E
3
atmosphere
liquid water oceans
solid surface
molten iron interior
Which of these does the Earth's moon NOT have because of its weaker gravity/smaller
mass than the Earth?
A
B
C
D
E
5
Africa and South America
Africa and North America
North America and Europe
All of the above
None of the above
The magnetic field of the Earth is thought to be generated by motions in its
A
B
C
D
4
the Sun
Jupiter
Earth
empty space
thick atmosphere
liquid water oceans
solid surface
A&B
B&C
The Earth's moon has a much ________ surface than the Earth because it has ________ than Earth.
A
B
C
D
older, a smaller mass
older, a much closer distance to Sun
younger, a smaller mass
younger, a much closer distance to Sun
Answer Key :
Quiz 11: Scale of the Solar System & Earth and Moon
Question: Answer
1
2
3
4
5
D
D
D
D
A
Quiz 12: Earth-Like Planets
1
Consider the four Earth-like or terrestrial planets. Which object has the highest pressure (thickest)
atmosphere?
A
B
C
D
2
Which object shows the least geologic activity as reflected in collisional mountain ranges, plate tectonics,
and volcanoes? This is the result of internal heat.
A
B
C
D
3
Mercury
Venus
Earth
Mars
Mercury
Venus
Earth
Mars
Which planet has the combination of most rapid rotation, liquid interior, and strongest magnetic field?
A
B
C
D
E
4
As seen from Earth via the Hubble Space Telescope, Mars shows
A
B
C
D
E
5
Venus
Mercury
Earth
Mars
All the same
a reddish color
dark markings
rotation
white icy polar caps
all of the above
Which of the four Earth-like or terrestrial planets has the most intense sunlight striking it from space?
A
B
C
D
Mercury
Venus
Earth
Mars
Answer Key :
Quiz 12: Earth-Like Planets
Question: Answer
1
2
3
4
5
B
A
C
E
A
Quiz 13: Worlds of the Outer Solar System (Jovian Planets)
1
The planets listed below are shown in the figure left to right. Which one has the largest mass?
A
B
C
D
2
Neptune
Venus
Earth
Mars
The Great Red Spot is currently thought to be
A
B
C
D
a
a
a
a
sunspot that is hotter than normal
surface feature on Mars
great storm on Jupiter
great storm on Saturn
3 Which planet would float in a bath tub of water on Earth if you could get it in the tub?
A
B
C
D
4
Mercury
Venus
Saturn
Mars
Which of these is made mostly of hydrogen and helium?
A
B
C
D
E
Neptune and Venus
Venus and Earth
Earth and Jupiter
Jupiter and Neptune
Jupiter and Venus
5. Which planets have rings?
A
B
C
D
E
Jupiter
Saturn
Uranus
Neptune
All of these
Answer Key :
Quiz 13: Worlds of the Outer Solar System (Jovian Planets)
Question: Answer
1
2
3
4
5
A
C
C
B
D
Quiz 14: Worlds of the Outer Solar System (Rings, Icy Satellites, Pluto; Meteorites &
Asteroids)
1
Danger(s) the Voyager space probes avoided by not going through the rings of Saturn is
(are)...
Hint: The Voyager space probes are held together by bolts and other mechanical
fastenings, not by gravity.
A
B
C
D
2
The satellites of Jovian planets typically have more ________ on their surfaces than the
Earth's rocky moon because they are ________ than the moon.
A
B
C
D
3
most, Mercury and Venus
most, Earth and Mars
most, Mars and Jupiter
all, Mars and Jupiter
The largest asteroid is about what size?
A
B
C
D
7
Earth's moon
Earth
Mars
Jupiter's moon Io
Astronomers have discovered that ________ asteroids are found between the orbits of ________.
A
B
C
D
6
is smaller
has a larger orbit.
a smaller size
has a more eccentric orbit
all of the above answers are correct
Which of the objects below has the most volcanoes erupting at any given time?
A
B
C
D
5
ice, closer to the Sun
ice, farther from the Sun
rock, closer to the Sun
rock, farther from the Sun
Pluto _________ than any planet. No wonder it was demoted!
A
B
C
D
E
4
being torn apart by Saturn's tidal force within the Roche limit.
hitting the icy chunks that make up the rings
being burned up by the intense heat Saturn gives off
Both A and B.
5000 miles
500 miles
50 miles
5 miles
Two major kinds of meteorites are
A
B
C
D
iron and stony.
hydrogen and helium.
Jovian and terrestrial.
lunar and solar.
Answer Key :
Quiz 14: Worlds of the Outer Solar System (Rings, Icy Satellites, Pluto;
Meteorites & Asteroids)
Question: Answer
1
2
3
4
5
6
7
B
B
E
D
C
B
A
Quiz 15: Comets and Origin of the Solar System
1
Which one of the solar systems objects below has the smallest mass?
A
B
C
D
E
2
Meteor showers that occur at definite times of the year are thought to be debris of
A
B
C
D
3
Jupiter
the moon
Earth
much larger than any of the above
much smaller than any of the above
The solar nebula is
A
B
C
D
E
6
such close encounters of stars should be very rare.
such close encounters of stars should be very frequent.
there would be no gravitational force between the sun and another star.
the Sun is not moving through space.
The solid nucleus or head of a comet is about the size of
A
B
C
D
E
5
comets
asteroidal collisions
satellites
planets
The main objection to tidal encounter theories of the origin of the solar system is
A
B
C
D
4
a comet
Jupiter
Mars
our moon
Venus
the nearest galaxy to our Sun.
the nearest star to our Sun.
the disk of dust and gas from which our Sun and planets were formed.
the disk of dust and gas from which our whole galaxy was formed.
a cloud of particles mostly found between the orbits of Mars and Jupiter.
Astronomers have found disks of gas and dust (solar nebulae) around other stars which are...
A
B
C
D
our solar system
other solar systems
Impossible: Our solar system is the only one known and the solar nebula
vanished long ago.
galaxies outside our own galaxy.
Answer Key :
Quiz 15: Comets and Origin of the Solar System
Question: Answer
1
2
3
4
5
6
A
A
A
E
C
B
Quiz 16: The Sun
1
Earth-based astronomers using visible light telescopes see granulation in the Sun's ____________ due to
transport of energy outward by ____________.
A corona, radiation
B core, convection
C photosphere, radiation
D photosphere, convection
E core, radiation
2
One could say that there is really a 22 year sunspot cycle because
A the time between sunspot number maxima is 22 years.
B the time between maxima of the same magnetic polarity of sunspot pairs is 22 years.
C it takes sunspots 22 years to move from the poles to the equator.
D at maximum there are 22 sunspots per year.
3
The corona of the Sun is
A hotter than the chromosphere.
B cooler than the chromosphere.
C the same temperature as the chromosphere.
D at a temperature of 10° K.
4
The Zeeman effect can be used to determine the _______ our Sun and other stars.
A rotation speed of
B mass of
C color of
D magnetic field on
E radial velocity toward or away from
5
The Sun has a continuous visual spectrum with dark absorption lines. The continuous
spectrum is produced by the ____________ layer while the dark absorption lines are
produced by ____________layers.
A inner chromosphere, outer photosphere
B inner photosphere, outer chromosphere
C inner chromosphere, outer corona
D inner corona, outer chromosphere
6
____________ of hydroden atom nuclei replace the heat the Sun ____________ to keep it
in equilibrium.
A Nuclear fusion reactions; loses into space
B Nuclear fusion reactions; gains from empty space
C Chemical reactions; loses into space
D Chemical reactions; gains from empty space
E Nuclear fission; loses into space
7
Uranium serves as the source of the Sun's energy because
A uranium atoms can be fissioned into lighter atoms and energy
B uranium atoms can be fused into helium and energy
C uranium atoms can be fused into hydrogen and energy
D none of the above because fusion of hydrogen atoms serves as the Sun's source of energy
E none of the above because fusion of helium atoms serves as the Sun's source of energy
Answer Key :
Quiz 16: The Sun
Question: Answer
1
2
3
4
5
6
7
D
B
A
D
B
A
D
Quiz 17: The Properties of Stars (Energy Output, Sizes, & Masses)
1
Which one of the methods below enables astronomers to measure the distance of a star
near the Sun in our Galaxy?
A
B
C
D
E
2
Binary (double) stars can be detected by
A
B
C
D
E
3
the masses
the sizes
both A & B
neither A & B
A pair of stars orbit around one another in an elliptical orbit with a semimajor axis, "a", of 2
AU with an orbital period, "P" of 2 years. What is the mass of the pair of stars?
A
B
C
D
E
6
the time in years for them to orbit one another
the size of their orbit
their apparent magnitudes
both A and B
Spectroscopic and eclipse duration observations of an eclipsing binary star can enable
astronomers to calculate____________of its individual stars.
A
B
C
D
5
being seen as two separate stars with a telescope.
one star traveling a wiggly proper motion path across the sky.
one star dimming abruptly as another passes in front of it.
pairs of absorption lines being seen in the spectrum of what appears to be one star.
all of the above.
The mass of a binary pair of stars can be obtained from
A
B
C
D
4
sound echoes knowing the speed of sound and time
parallax using the Earth's orbit
human binocular vision
Balmer series
none of the above
m1+m2=a³/P²=1 solar masses
m1+m2=a³/P²=2 solar masses
m1+m2=a³/P²=4 solar masses
m1+m2=a³/P²=8 solar masses
m1+m2=a³/P²=16 solar masses
A star's apparent magnitude is a measure of
A
B
C
D
E
how bright it appears to us if it is at its actual distance.
how bright it appears to us at a standard distance of 10 pc.
its energy output per second compared to the Sun.
its mass in solar masses.
its surface temperature in degrees Kelvin.
Answer Key :
Quiz 17: The Properties of Stars (Energy Output, Sizes, & Masses)
Question: Answer
1
2
3
4
5
6
B
E
D
C
B
A
Quiz 18: Properties of Stars (H-R Diagrams)
1
In an HR diagram stars are plotted according to their
A
B
C
D
2
Red giants like Betelguese are about the size of
A
B
C
D
3
bluer main sequence stars more luminous than the Sun
red giants more luminous than the Sun
main sequence stars less luminous than the Sun
white dwarf stars
answers A and B
M stars are about ____________ in surface temperatures.
A
B
C
D
7
only bluer main sequence stars more luminous than the Sun
only red giants more luminous than the Sun
main sequence stars less luminous than the Sun
white dwarf stars
answers A and B
The most common stars observed in the nearby neighborhood of the Sun are
A
B
C
D
E
6
Earth
the Sun
Jupiter's orbit
our solar system
the distance to our nearest star
If you walk outside at night, the stars which appear brightest to the eye are
A
B
C
D
E
5
Earth
the Sun
Earth's orbit
Jupiter's orbit
White dwarf stars like Sirius B are about the size of
A
B
C
D
E
4
mass against color
H against R
luminosity or absolute magnitude against mass
luminosity or absolute magnitude against spectral type
3000° K
30,000° K
300,000° K
3,000,000° K
The brighter a main sequence star like our Sun, the
A
B
C
D
larger its mass is.
smaller its mass is.
redder it is.
cooler it is.
Answer Key :
Quiz 18: Properties of Stars (H-R Diagrams)
Question: Answer
1
2
3
4
5
6
7
D
D
A
E
C
A
A
Quiz 19: Formation and Structure of Stars (Fusion in Stars
1
The carbon nitrogen cycle is most important in
A
B
C
2
The main sequence in the H-R diagram is made up of
A
B
C
D
3
red giant
main sequence
pre-main sequence proto-star
massive main sequence
In the main sequence stage hydrogen is being fused to helium in
A
B
C
D
5
only hot bright stars which are fusing H to He in their cores.
only cool dim young stars which are fusing H to He in their cores.
both hot bright and cool dim stars which are both fusing H to He in their cores.
only collapsing gas cloud protostars which have no H to He nuclear fusion.
Which kind of star below does NOT have nuclear fusion processes occurring in it?
A
B
C
D
4
upper main sequence stars of spectral type O
stars of spectral type M on the main sequence
lower main sequence stars of spectral type K
the photosphere of the star.
the core of the star.
the corona above the photosphere.
No hydrogen is being fused to helium in main sequence stars.
What kind of star would not be found in a very old cluster of stars?
A
B
C
D
red giant
low mass main sequence star
pre-main sequence proto-star
white dwarf
Answer Key :
Quiz 19: Formation and Structure of Stars (Fusion in Stars)
Question: Answer
1
2
3
4
5
A
C
C
B
C
Quiz 20: Middle Age, Gentle Deaths of Low and Medium Mass Stars
1
In the red giant stage of a star’s life, hydrogen is being fused to helium
A
B
C
D
2
The central star in a planetary nebula
A
B
C
D
3
speed through space.
oxygen content.
uranium content.
anti-matter content.
mass.
Just before it ejects a planetary nebula, a star is a
A
B
C
D
6
nuclear energy it is generating
its gravitational force
Hubble's law of extragalactic redshifts
degenerate electron gas pressure
degenerate astronomers observing the star
What will eventually happen to a star after its formation is most affected by its initial
A
B
C
D
E
5
is a main sequence star
is a pre-main sequence proto-star
is a neutron star
will become a white dwarf
A white dwarf star is prevented from collapsing by
A
B
C
D
E
4
on the surface of the star
in the center of the star's helium core
on the outside of the star's helium core
Neither helium nor hydrogen is being fused in the red giant stage.
red giant
black hole
white dwarf
super nova
White dwarf stars are formed from
A
B
C
D
the most massive main sequence stars
lower mass main sequence stars
A main sequence star stays a main sequence star forever.
Main sequence stars are formed from white dwarf stars.
Answer Key :
Quiz 20: Middle Age, Gentle Deaths of Low and Medium Mass Stars
Question: Answer
1
2
3
4
5
6
C
D
D
E
A
B
Quiz 21: Deaths of Massive Stars: Neutron Stars and Black Holes
1
The Crab Nebula is
A
B
C
D
2
The object left behind after the 1054 AD supernova explosion has been observed at the
center of the Crab nebula. The object is a
A
B
C
D
3
light with wavelengths in the black color region.
no light from inside the event horizon.
light which is blueshifted to shorter wavelenghs as it escapes.
light which is redshifted to shorter wavelengths as it escapes.
Which of the kinds of stars below would you expect to find in a 15 billion year old globular cluster of
stars?
A
B
C
D
E
6
black hole
neutron star
white dwarf
main sequence stars
A black hole emits. . .
A
B
C
D
5
white dwarf
neutron star
red giant
proto-star
Unseen objects in our galaxy have been found by the bending effect they have on more
distant stars' light passing near them. These small objects that don't emit light are
calculated to have masses of about 10x the mass of the Sun. Which is the best choice for
these objects?
A
B
C
D
4
a planetary nebula
a name for the cloud of gas and dust which later became our solar system
a ejected cloud of gas from a super nova
in the constellation Orion, containing many bright young blue stars
cool, low luminosity main sequence stars
white dwarfs
neutron stars
red giants
all of the above
A white dwarf whose red giant companion dumps hydrogen onto it may
A
B
C
D
show no effect.
explode recurrently as a nova.
blow up as a type I supernova.
answers B or C.
Answer Key :
Quiz 21: Deaths of Massive Stars: Neutron Stars and Black Holes
Question: Answer
1
2
3
4
5
6
C
B
A
B
E
D
Quiz 22: Milky Way: History, Geography
1. Our Milky Way is about. . .
A
B
C
D
E
1 light year across
10 light years across
100 light years across
1000 light years across
100,000 light years across
2
In the edge-on sketch of a spiral galaxy shown, pick the letter corresponding most nearly to the location
of globular clusters.
3
The astronomer Shapley located the center of our Galaxy by studying the distances and
directions of
A
B
C
D
E
4
Herschel's "star gauging" led him to the "grindstone" or pancake picture of the galaxy with
the Sun at its center. He was misled by
A
B
C
D
E
5
the large number of stars in the direction of the Milky Way
the small number of stars at right angle to this direction
the faint invisible stars
obscuration of stars by dust
he was not misled; we still hold this picture
Few galaxies outside our own Galaxy are seen in the circle around the sky where the Milky
Way is located because
A
B
C
D
6
dust clouds
regions of ionized hydrogen
globular clusters
planets
young bright blue stars
there aren't any galaxies in those directions
dust in the Milky Way blots out our view of galaxies in those directions
the missing mass is in those directions
the Big Bang has blown galaxies away from those directions
The disk of our Galaxy consists of
A
B
C
D
E
the nine known planets
only stars
stars, dust, and gas
quasars
only black holes
Answer Key :
Quiz 22: Milky Way: History, Geography
Question: Answer
1
2
3
4
5
6
E
D
C
D
B
C
Quiz 23: The Milky Way: Dynamics and Core
1
One reason trailing spiral arms form in the disk of our Galaxy is because stars farther from
the galactic center than the Sun take a ____________ than the Sun to go around the
galactic nucleus, while stars closer to the center take ____________.
A
B
C
D
2
spiral arms
planets
globular clusters
neutron stars
the halo of our Galaxy
A black hole of about ________ solar masses has been identified in the center of our
Galaxy. Its mass was estimated using the orbit ________ of a star orbiting around it.
A
B
C
D
E
5
is falling straight into
is traveling straight out away from
takes about 200 million years to make an approximately circular orbit around
takes about one year to make an approximately circular orbit around
Star formation in our Galaxy at the present time is thought to be caused by interstellar gas
compression in
A
B
C
D
E
4
longer time, a longer time
shorter time, a longer time
longer time, a shorter time
shorter time, a shorter time
Our Sun ________ the center of our Galaxy.
A
B
C
D
3
a
a
a
a
30; size and period
3 million; size and period
30; orbit size
3 million; size
3 millon, period
The number of stars in our Milky Way is about _______. Hint: Remember Carl Sagan!
A
B
C
D
E
1000
10,000
100,000,000,000
100
10
Answer Key :
Quiz 23: The Milky Way: Dynamics and Core
Question: Answer
1
2
3
4
5
C
C
A
B
C
Quiz 24: Galaxies (Discovery of Distances, Sizes, and Masses)
1
The Great Nebula in Andromeda (M31) was found to be very far away by
A
B
C
D
2
The Andromeda spiral galaxy is almost edge-on to us. Astronomers have detected the
orbital motion of its disk material by
A
B
C
D
E
3
Doppler shifts of material at the edge of its disk.
the distance from its center of the edge of its disk.
both answers A and B.
It is impossible to estimate the mass of M31.
We can estimate the size in light years (or parsecs or km) of the andromeda spiral galaxy M31 from
A
B
C
D
5
using Hubble's law.
the big bang theory of 3° Kelvin radiation.
the steady state theory.
measuring Doppler shifts of different parts of the disk.
watching the stars travel around the nucleus back to where they started.
We can estimate the mass of Andromeda spiral galaxy M31 from
A
B
C
D
4
comparing absolute to apparent magnitudes of Cepheid variable stars.
comparing absolute to apparent magnitudes of RR Lyrae variable stars.
measuring parallaxes of stars in M31.
getting radar echoes off stars in M31.
its angular size in degrees.
its distance in light years (or parsecs or km).
both answers A and B.
It is impossible to estimate the size of M31.
Many disk galaxies, such as the Adromeda spiral galaxy and the Milky Way, are thought to have
extended halos of dark matter because the disk circular orbital speed is observed to ____________
increasing distances from the disk center.
A
B
C
stay constant with
decrease with
be totally absent at
Answer Key :
Quiz 24: Galaxies (Discovery of Distances, Sizes, and Masses)
Question: Answer
1
2
3
4
5
A
D
C
C
A
Quiz 25: Types and Systems of Galaxies
1
Which one of the words below is a name for a type of galaxy in the Hubble classification system?
A
B
C
D
E
2
Which one of the galaxy types listed below contains the youngest stars?
A
B
C
D
3
Sc
Sc
Sc
Sc
galaxies
galaxies
galaxies
galaxies
have
have
have
have
spiral arms while Sa galaxies have none.
more open (i.e. less tightly wound spiral arms) than Sagalaxies.
more tightly wound spiral arms than Sa galaxies.
no stars while Sa galaxies have 10 13 stars.
The Local Group is. . .
A
B
C
D
6
spiral
irregular
elliptical
red giant
The difference between Sc and Sa type galaxies is that
A
B
C
D
5
E0
Sc
E7
E5
Our Galaxy, the Milky Way, can be classified as which one of the following galactic types?
A
B
C
D
4
red giant
visual
spiral
21 centimeter
statuesque
our solar system.
the Sun and nearby stars.
our Galaxy.
our Galaxy and its nearby neighbors.
Clusters of galaxies are found
A
B
C
D
E
in the spiral arms of our Galaxy.
in globular clusters.
in the nucleus of our Galaxy.
outside our Galaxy.
Clusters of galaxies don't exist.
Answer Key :
Quiz 25: Types and Systems of Galaxies
Question: Answer
1
2
3
4
5
6
C
B
A
B
D
D
Quiz 26: Galaxies with Active Nuclei
1
Most galaxies appear to be
A
B
C
D
E
2
The most notable feature of Seyfert galaxies is
A
B
C
D
3
spiral arms.
supernova rate.
mass.
bright nucleus.
accretion disks
massive black holes
both A and B
the Local Group
a cluster of galaxies
Astronomers who discovered quasars found that they show ________ of their spectral lines
and are thus probably much ________ than nearby galaxies.
A
B
C
D
E
5
the
the
the
the
Active galaxies are thought to have _______in their centers.
A
B
C
D
E
4
composed of one star and seven planets.
inside our Milky Way.
located on the Earth.
moving toward us.
moving away from us.
large red shifts, farther away
large blue shifts, farther away
no wavelength difference, nearer
large red shifts, nearer
large blue shift, nearer
Jet-shaped regions of radio and optical emission have been observed in
A
B
C
D
quasars.
radio galaxies.
the 3° Kelvin radiation.
both A and B.
Answer Key :
Quiz 26: Galaxies with Active Nuclei
Question: Answer
1
2
3
4
5
E
D
C
A
D
Quiz 27: Cosmology
1
How old is the universe since the Big Bang? Pick the best answer according to radioactive
dating in the solar system, light travel times to most distant galaxies, time reversal of the
Big Bang, and observations of the 3 K radiation.
A 1400 years
B 14,000 years
C 14,000,000 years
D 14,000,000,000 years
2
From the distances (D) of galaxies and their speeds (V) away from our galaxy, the age of
the universe is approximately
A DV.
B D/V.
C V/D.
D 1/(DV).
3.
The 3° Kelvin radiation is thought to have originated in
A nearby galaxies today.
B gravitational repulsion.
C white dwarfs.
D the Big Bang long ago.
E the liquid cores of asteroids.
4
By means of optical and radio telescopes astronomers can see distant objects as they
A are right now.
B will be in the distant future.
C were in the distant past.
D All of the above.
E None of the above.
5
Evidence for a very early "super rapid" inflation of the universe is that the 3° K radiation
from opposite sides of the sky about 28 billion light years apart is of ________ intensity.
This distance is ________ the age of the universe in years.
A
B
C
D
equal; greater than
unequal; greater than
equal; less than
unequal; less than
6
Astronomers believe that the hydrogen atoms in your body were created
A in the planets.
B inside the stars.
C in the Sun.
D in the big bang.
E in neutron stars.
7
One explanation of the dark sky Olber's Paradox is that light can reach us only from objects
in space out to a distance in light years _______ the age of the universe in years.
A less than
B greater than
C equal to
D less than or equal to
E greater than or equal to
Answer Key :
Quiz 27: Cosmology
Question: Answer
1
2
3
4
5
6
7
D
B
D
C
A
D
D
Quiz 28: Life On Other Worlds
1
Which of the type stars below would be LEAST suitable for life to originate and evolve over
several billion years?
A 0.5 solar mass stars
B 1.0 solar mass stars
C 2.0 solar mass stars
D 20 solar mass stars
2
Consider planets that form at 1 AU from each of the stars listed below, all of which have
the mass of our Sun. Which would be LEAST suitable for life in the past, present, or future?
"Life" refers to life of similar elemental composition to that known on Earth.
A stars forming now
B stars that formed 4 billion years ago
C stars that formed soon after the big bang
D stars forming tomorrow
3
Assume human-like creatures have exist on a planet for 2 million years and the planet exists in a form
suitable for life during 4 billion years. If space aliens visit the planet at one random time during its entire
history, what are the odds or chance that they would find human-like creatures by that one random visit?
A 1/20
B 4 billion x 2 million = 8 x 1015
C 2 million/4 billion = 5 x 10-4 = 1/2,000
D 1
4
Assume we send a space ship to a nearby one solar mass main sequence star. As we approach, we see
that there are three Earth-mass planets circling the star, planet A at 0.4 AU, B at 1.0 AU and C at 5 AU.
Which planet would be more likely to have Earth type life on its surface?
A Planet A
B Planet B
C Planet C
D All surfaces would be too hot.
E All surfaces would be too cold.
5
Which of the elements or chemical compounds necessary for life on Earth have NOT been
identified in meteorites?
A Hydrogen
B Oxygen
C Carbon
D Amino acids
E All have been found
6
Suppose we wish to travel to the nearest star using a super space ship capable of traveling
at 300 km/s or about one million km/hour or about 26 million km/day or 10 billion km/yr. We have
nothing even close to this space ship yet. How long will it take us to get to the nearest star which is
about 4  1013 km away from us?
A
B
C
D
4 years
400 years
4000 years
4 billion years
Answer Key :
Quiz 28: Life On Other Worlds
Question: Answer
1
2
3
4
5
6
D
C
C
B
E
C