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3rd SUMMATIVE TEST- CONSTELLATIONS
Directions: Write the letter of the correct answer. NO erasures.
1. The brightest star in this constellation is Vega. In which constellation can Vega be found?
a. Lyra
b. Sirius
c.Cassiopeia
d. Cygnus
2.The Hertzsprung-Russel Diagram of stars directly compares what two (2) of the following properties of stars?
a. size
b. temperature
c.luminosity
d. density
3.The brightest star in this constellation is Aldebaran (pron: al-DEB-ar-on). In which constellation can this star be found?
a. Taurus
b. Aquarius
c. Big Dipper
d. Small Dipper
4. Type of star with a relatively low effective temperature (3,000 to 4,000 Kelvins), and have a large radius-about 100
times that of the Sun. ? a. White Dwarf
b. Brown Dwarf c. Red Giant d. Black hole
5. Which of the following is true for ORION? Orion is: a.
c. the name given to a NASA spacecraft
the brightest star in the sky
b. a constellation
d. an asteroid
6. The apparent magnitude of an object in the sky describes its
a .size
b. magnification
c. brightness
d. distance
7. What is formed when a massive star, after reaching supergiant status, explodes?
a. Black hole
b. reg giant
c. white dwarf
c. brown dwarf
8. Name the northern latitude constellation that is easily recognized by 5 bright stars forming an irregular "W", some
observers seeing not only a W but also a chair. One of the brightest novae on record appeared in this constellation in 1572.
a. Lyra
b. Sirius
c. Cassiopeia
d. Cygnus
9.A line through the three stars in Orion's belt points toward which one of the following stars?
a. Mizor
b. Polaris
c. Sirius
d. Rigel
10."The Swan" is the English name for this constellation. Give me the Latin name by which this constellation is known.
a. Big dipper
b. Cygnus
c. Cassiopeia
d. Pegasus
11.What do the stars in a constellation have in common? The same..
a.brightness
b. distance from Earth
c. Size
d. general direction from Earth
12.Which stars do we always see during the year? Stars... a. on the horizon
c. in the larger constellations
b. over the North Pole
d. inside other galaxies
13.How were constellations originally named and identified?
a. as people or animals they may have resembled
c. in groups of very distant, bright or old stars
b. mathematically, with numbers and coordinates
d. by their location from Earth’s horizon
14.If you are located at the North Pole, where will you see the Polaris?
a. Overhead
b. Just above the horizon
c. Around 45° from the horizon
d. Polaris will not be seen in the North
15.Which motion is mainly responsible for this change in position?
a. Revolution of Earth around the Sun
c. Revolution of Pisces around the Sun
b. Rotation of Earth on its axis
d. Rotation of Pisces on its axis
16.The star Algol is estimated to be as bright as the star Aldebaran and have approximately the same temperature as the star
Rigel. Which of the following statement is correct?
a. Algol and Rigel have same color.
c. Algol and Aldebaran have the same in size.
b. Algol and Rigel have the same brightness.
d. Algol and Rigel have the same brightness and color.
17. Which motion is mainly responsible for this change in position?
a. Revolution of Earth around the Sun
c. Revolution of Pisces around the Sun
b. Rotation of Earth on its axis
d. Rotation of Pisces on its axis
18.What do the two stars at the end of the cup in the Big Dipper point to?
a.Polaris b. Sirius
c.Star Nebula d. Orion
19.Which statement best explains why Cygnus is visible to an observer in Manila in September but not visible in March?
a. Earth spins on its axis.
c. Earth orbits the Sun.
b. Cygnus spins on its axis.
d. Cygnus orbits the Earth.
20. Stars appear to move in the sky because
a. The Earth is rotating on its axis.
c. The night sky is rotating.
b. The Universe is expanding.
d. New galaxies are formed.
21. How do stars appear to move in the night sky?
a. From East to West
c. From West to East
b. From North to South
22.
d. From South to North
If you are located at the North Pole, where will you see the Polaris?
a. Overhead
b. Just above the horizon
c. Around 45° from the horizon
d. Polaris will not be seen in the North Pole.
23.What is the approximate age of our sun? w) 1 billion years
a. 2 billion years
b.
5 billion years
c. 20 billion years
d. 1 billion year
24.The stars Castor and Pollux are the two brightest stars of what constellation? Clue:the Twin
a. Taurus
b. Gemini
c. Cygnus
d. Casa Major
25. The reason we call an astronomical body a black hole is that
a. it is a huge star which appears black at its center.
b. its gravity is so high that it absorbs its own photons.
c. it represents lack of matter in a portion of space.
d. it is a dead planet.
26.What is the name of an important galactic cluster of stars in the Milky Way and commonly known as the Seven Sisters?
a. Pleiades
b. Pegasus
c. Orion
d. Canis Minor
27.What do the two stars at the end of the cup in the Big Dipper point to? a. Polaris
b. Sirius
c. Vega
d. Rigel
28.What process produces a star's energy?
a. hydrogen and oxygen combustion
b. nuclear fusion
c. neutron beta decay
d. nuclear fission
29.The band on the Hertzprung- Russell diagram that runs from the upper left (high luminosity, high surface temperature)
to the lower right (low luminosity, low surface temperature) is called____.
a. Super giant
b. White Dwarf
c. Main sequence
d. Common sequence
30.What is apparent magnitude?
a. The measure of how bright a star appears to be to an observer on Earth.
b. A measure of how bright the star would be if all stars were at the same distance from Earth.
c. The brightness of a star.
d. How far away the star is from Earth.