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Vocab 11
Term | Definition |
---|---|
Orbit | the path that one object in space takes around another object in space |
Planet | a large object in space that orbits a star |
Solar System | the sun and the objects that orbit around it |
Rotation | the spinning of a planet or moon on its axis |
Revolution | one complete trip of a planet around the sun |
Tide | the rise and fall of the water level in the ocean near the shore-that is caused by the moon's gravitational pull |
Constellation | A group of stars that ancient people thought formed a picture in the sky |
Moon | A natural satellite that orbits a planet |
Phases of the moon | changes in how the moon looks to people on Earth due to sunlight reflecting off the surface of the moon to Earth |
Gravity | the force that pulls objects towards each other |
Crater | a bowl shaped structure at the top of a volcano or on a planet or moon |