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Chapter 10
Planets
Question | Answer |
---|---|
axis | The imaginary line that Earth spins around as it rotates. |
comet | A ball of rock, ice, and frozen gas in space. |
constellation | A pattern of stars that form an imaginary picture or design in the sky. |
galaxy | A huge system of stars, gas, and dust. |
moon | Any natural body that revolves around a planet. |
moon phases | The different shapes that Earth's moon seems to have. |
orbit | The path Earth takes around the sun. |
planet | A large object that moves around a star. |
solar system | A group of objects in space that revolve around a central star. |
star | A huge ball of superheated gas. |
sun | The star at the center of our solar system. |
universe | Everything that exists in space. |