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The Earth's ozone layer blocks ____ solar radiation.
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celestial
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Mercury, Venus, Earth, and Mars are ____ (rocky) planets.
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charged
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The Milky Way is a ____ galaxy with a black hole in the center.
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dwarf
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Jupiter and Saturn are ____ giants (hydrogen and helium).
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gas
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The Sun emits a stream of ____ particles called the solar wind.
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ice
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Uranus and Neptune are classified as ____ giants.
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spiral
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Stars, planets, asteroids, and comets are ____ objects.
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terrestrial
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Eris, Pluto, Haumea, Makemake, and Ceres are ____ planets.
|
ultraviolet
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