27.3 Vocab

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Across
  1. 2. Eclipse, when earth passes between the sun and the moon, and earth's shadow falls on the moon; occurs only during a full moon.
  2. 4. (twice a year) the sun crosses the celestial equator, when day and night are equal length.
  3. 6. Plane, plane of Earth's orbit around the sun.
  4. 8. closest point in the moon's elliptical orbit to Earth.
  5. 9. farthest point in an objects orbit to earth.
Down
  1. 1. Rotation, the state at which an orbiting body's orbital and rotational periods are equal.
  2. 3. turning round on an axis or a center.
  3. 5. period when the sun is overhead at its farthest distance either north or south of the equator.
  4. 7. Eclipse, when the moon passes between Earth and the sun and the moon casts a shadow on Earth, blocking Earth's view of the sun; can be partial or total.