Astronomy 3 Question Preview (ID: 6656)


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Which force is most responsible for the formation of a star?
a) gravity
b) interstellar force
c) electromagnetic force
d) nuclear force

The planet with the greatest temperature extremes is ____.
a) Mercury
b) Earth
c) Venus
d) Mars

Massive stars terminate in a brilliant explosion called a ____.
a) supernova
b) red giant
c) protostar
d) neutron star

Which of the following are you most likely to experience?
a) full moon
b) total solar eclipse
c) partial lunar eclipse
d) total lunar eclipse

What is the next stage in the sun’s life cycle?
a) red giant
b) white dwarf
c) planetary nebula
d) black dwarf

One astronomical unit (AU) averages about ____ which is the distance from the Earth to the sun.
a) 93 million miles
b) 39 million kilometers
c) 39 million miles
d) 93 million kilometers

All stars, regardless of size, eventually ____.
a) run out of fuel and collapse
b) become black holes
c) explode
d) turn into black dwarfs

Stellar distances are usually expressed in what units?
a) light years
b) kilometers
c) none of these
d) miles

Which of the following is NOT characteristic of the Jovian planets?
a) thin atmospheres
b) composed mainly of gases and ices
c) located beyond the orbit of Mars
d) large size

Which planet shows evidence of water erosion?
a) Mars
b) Mercury
c) Venus
d) Jupiter

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