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Pearson Ch. 5
Earth and Space
Question | Answer |
---|---|
an imaginary line around which an object spins | axis |
one whole spin of an object on its axis | rotation |
the path an object takes as it revolves around a star, planet, or moon | orbit |
one full orbit around the sun | revolution |
an explosive eruption of waves and particles into space | solar flare |
a group of stars that forms a pattern | constellation |
a large, round object that revolves around a star and has cleared the region around its orbit | planet |
any of the four closest planets to the sun | inner planet |
a spacecraft that gathers data without a crew | space probe |
a natural object that revolves around a planet | moon |
any of the four planets in our solar system beyond Mars | outer planets |
a rocky mass up to several hundred kilometers wide that revolves around the sun | asteroid |
a frozen mass of different types of ice and dust orbiting the sun | comet |
a large, round object that revolves around the sun but has not cleared the region around its orbit | dwarf planet |
Mercury, Venus, Earth, and Mars | name the inner planets/rocky planets |
Jupiter, Saturn, Uranus, and Neptune | name the outer planets/ gas giants |