The Sun-Earth-Moon System

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Across
  1. 2. phase phases of the Moon during which less of the Moon's near side is lit each night.
  2. 3. eclipse an occurrence during which the Moon's shadow appears on Earth's surface.
  3. 5. axis the line on which an object rotates.
  4. 6. the central, darker part of a shadow where light is totally blocked.
  5. 8. when Earth's rotation axis is tilted neither toward nor away from the Sun.
  6. 10. the path an object follows as it moves around another object.
  7. 11. phase phases of the Moon during which more of the Moon's near side is lit each night.
Down
  1. 1. the lighter part of a shadow where light is partially blocked.
  2. 3. when Earth's rotation axis is tilted directly toward or away from the Sun.
  3. 4. the lit part of the Moon or a planet that can be seen from Earth.
  4. 7. the orbit of one object around another object.
  5. 9. the spin of an object around its axis.