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1.
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(1 point) Our galaxy, the “Milky Way”,
is classified as a _________ galaxy.
a | dwarf | c | irregular | b | elliptical | d | spiral |
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2.
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(1 point) the planets in the solar systerm can be
classified into two groups; which one of the following is incorrect?
a | Terrestrial planets | d | All of these are correct | b | Jovian
planets | e | None of these are
correct | c | Kuiper planets |
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3.
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(1 point) In 2006, the IAU has designated three
bodies as “dwarf planets”; which one of the following is NOT a “dwarf
planet”?
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4.
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(1 point) Which of the following features is not
shared by all terrestrial planets?
a | an atmosphere | c | a magnetic field | b | a core | d | a crust |
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5.
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(1 point) The Jovian planets – Jupiter,
Saturn, Uranus, and Neptune – all share which of the following features?
a | molten cores | c | thick atmospheres | b | metallic hydrogen sheaths surrounding their
cores | d | all of the
above |
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6.
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(1 point) The asteroid belt lies between _________
and __________.
a | Earth/Mars | c | Jupiter/Saturn | b | Mars/Jupiter | d | Saturn/Uranus |
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7.
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(1 point) A heliocentric model of the universe
places which celestial body at its center?
a | the sun | c | the moon | b | the Earth | d | the stars |
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8.
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(1 point) Earth’s seasons are caused
by:
a | annual changes in its distance from the sun | c | the moon’s changing
gravitational pull | b | the tilt of its axis | d | none of these |
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9.
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(1 point) Solar system
includes the Sun, eight planets and their satellites, Asteroids, Comets and Meteoroids
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10.
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(1 point) The orbits of most comets are
________________, and their tails _____ produced by the vaporization of their frozen gases by the
Sun
a | slightly elongated . . . are not | c | extremely elongated . . .
are | b | slightly elongated . . . are | d | extremely elongated . . . are not |
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