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Earth, Moon, Sun
Earth, the Moon, and the Sun Vocabulary
Term | Definition |
---|---|
planet | a large object that moves around the sun |
solar system | the sun and all the objects that move around it |
revolve | move around another object |
orbit | a planet's path around the sun |
rotate | spin |
axis | an imaginary line through the center of a planet |
tilt | an angle |
phase | a change in the moon's shape as it appears from Earth |
new moon | a phase in which the moon cannot be seen |
full moon | a phase in which the moon appears as a complete circle |