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Jupiter and Saturn are ____ giants (hydrogen and helium).
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celestial
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During a ____ eclipse Earth casts a shadow on the Moon.
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elliptical
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Stars, planets, asteroids, and comets are ____ objects.
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gas
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Mercury, Venus, Earth, and Mars are ____ (rocky) planets.
|
ice
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The Earth's ozone layer blocks ____ solar radiation.
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lunar
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The Milky Way is a ____ galaxy with a black hole in the center.
|
spiral
|
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Uranus and Neptune are classified as ____ giants.
|
terrestrial
|
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The shapes of the planetary orbits are ____.
|
ultraviolet
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