| Term | Definition |
|---|
| crater | each moon crater was formed when a rock hit the moon |
| constellation | there are about 88 constellations in the sky |
| moonlight | the light from the moon, or moonlight, comes from the sun |
| star | a star is a large ball of hot gases |
| sun | the sun is the star closest to Earth |
| energy | light and heat are kinds of energy |
| solar energy | light and heat fromthe sun are solar energy |
| solar system | the solar system is made up of the sun and nine planets |
| planets | a planet is a large ball of rock or gas that moves around the sun |
| moon | the moon orbits earth |
| orbit | the path that earth takes around the sun is earth'sorbit |
| season | each season has a certain kind of weather |
| rotation | one day and one night make up one full rotation of earth |
Combine with other sets
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