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Astronomy Test 4
Test Description: Space
Instructions: Answer all questions to get your test result.
1) Which statement best explains why the moon has more craters than Earth?
A
The moon has a thicker atmosphere.
B
Weathering and erosion do not occur on the moon.
C
The moon is tectonically active.
D
Earth has never been struck by rapidly moving debris.
2) Light cannot escape the intense gravitational pull of a ____.
A
black dwarf
B
black hole
C
main-sequence star
D
red giant
3) The sun can continue to exist in its present stable state for about another ____.
A
10 billion years
B
100 billion years
C
15.5 billion years
D
5.5 billion years
4) Which planet has a greater mass than the combined mass of all the remaining planets and their moons?
A
Saturn
B
Venus
C
Pluto
D
Jupiter
5) What will be the final stage in the sun’s life cycle?
A
red giant
B
white dwarf
C
planetary nebula
D
black dwarf
6) Most meteor showers are associated with the orbits of ____.
A
meteorites
B
planets
C
satellites
D
comets
7) During the period that the moon’s phases are changing from new to full, the moon is ____.
A
exhibiting retrograde motion
B
waxing
C
waning
D
approaching Earth
8) The relatively small, rocky bodies generally found orbiting between Mars and Jupiter are known as ____.
A
asteroids
B
meteoroids
C
satellites
D
comets
9) The name for the space cloud of gas and dust that will eventually form a star is ____.
A
red giant
B
nebula
C
supernova
D
black hole
10) Seasons are caused by ____.
A
Earth's rotation
B
Earth's distance from the sun
C
precession
D
Earth's tilted axis
*select an answer for all questions
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