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Astronomy 3
Test Description: Space
Instructions: Answer all questions to get your test result.
1) Which force is most responsible for the formation of a star?
A
interstellar force
B
nuclear force
C
electromagnetic force
D
gravity
2) The planet with the greatest temperature extremes is ____.
A
Mars
B
Mercury
C
Earth
D
Venus
3) Massive stars terminate in a brilliant explosion called a ____.
A
supernova
B
protostar
C
red giant
D
neutron star
4) Which of the following are you most likely to experience?
A
full moon
B
partial lunar eclipse
C
total lunar eclipse
D
total solar eclipse
5) What is the next stage in the sun’s life cycle?
A
red giant
B
planetary nebula
C
black dwarf
D
white dwarf
6) One astronomical unit (AU) averages about ____ which is the distance from the Earth to the sun.
A
93 million miles
B
93 million kilometers
C
39 million miles
D
39 million kilometers
7) All stars, regardless of size, eventually ____.
A
explode
B
become black holes
C
turn into black dwarfs
D
run out of fuel and collapse
8) Stellar distances are usually expressed in what units?
A
none of these
B
light years
C
kilometers
D
miles
9) Which of the following is NOT characteristic of the Jovian planets?
A
large size
B
thin atmospheres
C
composed mainly of gases and ices
D
located beyond the orbit of Mars
10) Which planet shows evidence of water erosion?
A
Jupiter
B
Mars
C
Venus
D
Mercury
*select an answer for all questions
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