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Chapter 19
Chapter 19 Vocabulary
Term | Definition |
---|---|
rotate | spin on an axis |
revolve | to move on a path around another object |
orbit | the path an object takes as it revolves around another object |
solar eclipse | the moon covers our view of the sun (the moon blocks the light of the sun) |
lunar eclipse | the Earth passes between the Sun and the Moon, the Moon passes through Earth's shadow so the moon reflects none of the Sun's light. |
umbra | the darker, inner part of an eclipse shadow. People in the umbra experience a total eclipse |
penumbra | the lighter, outer part of an eclipse shadow. People in the penumbra experience a partial eclipse. |