Astronomy 101, Final
Review
Name___________________________________________________________________
No notes, No books; You can use calculators
Constants that you may need to know:
c = 3 x 108 m/s
1 AU = 1.49 ×1011 meters
1 light year = 9.46 × 1015 meters
h = 6.626 x 10-34 J●s
G = 6.67 × 10-11 m3 kg-1 s-2
g = 9.8 m/s2
σ = 5.67 x 10-8 W m-2 K-4
mass of Earth = 5.97 × 1024 kg
mass of Moon = 7.35 x 1022 kg
radius of Earth = 6.38 × 106 m
1 nm = 1 x 10-9 meters
mass of Sun = 1.99 x 1030 kg
mass of Jupiter = 1.90 x 1027 kg
radius of Jupiter = 7.15 × 107 m
radius of Moon = 1.74 × 106 m
1) The 4th asteroid discovered between January 16 and January 31 in 1976 is given
the provisional designation ...
A)
B)
C)
D)
E)
1976 TD
1976 AG
1976 BD
1976 AD
1976 BF
2) Why are comets called dirty snowballs?
A)
B)
C)
D)
E)
They are composed of ice and dust
They are composed of just olivine
They are composed of just hematite
They are composed of just sulfates
They are composed of just pyroxene
3) The Dawn mission will visit the asteroids ...
A)
B)
C)
D)
E)
2 Pallas and 3 Juno
1 Ceres and 4 Vesta
6 Hebe and 8 Flora
1 Ceres and 2 Pallas
19 Fortuna and 221 Eos
4) The meteorites with the highest density are the ...
A)
B)
C)
D)
E)
ordinary chondrites
carbonaceous chondrites
iron meteorites
diogenites
eucrites
Astronomy 101, Final
Review
5) ALH 87013 was found on what continent?
A)
B)
C)
D)
E)
Asia
Africa
Antarctica
Australia
North America
6) The Drake equation is a simple way of trying to calculate …
A) The age of the universe
B) The dimensions of the universe
C) The number of civilizations that are capable of interstellar communication that are
currently existing in our galaxy
D) how much longer life will exist on Earth
E) The probability a supernova will explode near Earth and cause life to become
extinct
7) What is SETI short for?
A)
B)
C)
D)
E)
supernovas that explode at specific time intervals
search for extraterrestrial intelligence
search for the equation that predicts the universe’s increase in diameter
stars emit light in the infrared
seasonal expansion in the thermal infrared
8) Fermi’s Paradox can be rephrased as …
A) if Supernovas occurs frequently and some supernovas occur nearby,
why hasn’t life on Earth been destroyed?
B) why have we not observed alien civilizations even though simple
arguments would suggest that some of these civilizations ought to have
spread throughout the galaxy by now?
C) why hasn’t life evolved on Mars if it has evolved on Earth?
D) why does a spiral galaxy's rotation speed depend on its mass?
E) how can the night sky be dark if the universe is infinite and full of
stars?
Astronomy 101, Final
9) Which of the following asteroids has the most kinetic energy?
A) A 1,000 kg mass moving at 10 km/s.
B) A 2,000 kg mass moving at 20 km/s.
C) A 1,000 kg mass moving at 5 km/s.
D) A 2,000 kg mass moving at 10 km/s.
E) A 3,000 kg mass moving at 10 km/s.
10) Most meteorites are approximately how old?
A) 1.7 billion years old
B) 13.7 billion years old
C) 4.6 billion years old
D) 24.2 billion years old
E) 3.4 million years old
11) The Huygens probe landed on what body?
A)
B)
C)
D)
E)
Titan
Saturn
Europa
Neptune
Mercury
12) Where was the Great Dark Spot located?
A)
B)
C)
D)
E)
Neptune
Saturn
Jupiter
Pluto
Mars.
13) Which body did Voyager 2 not visit?
A)
B)
C)
D)
E)
Saturn
Jupiter
Pluto
Uranus
Neptune
Review
Astronomy 101, Final
14) Uranus is composed predominately of …
A)
B)
C)
D)
E)
Oxygen and Nitrogen
Hydrogen and Helium
Carbon and Oxygen
Fluorine and Methane
Oxygen and Helium
Review