Astronomy Chapter 2 Review Activity

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Across
  1. 3. The science that studies the universe
  2. 6. What occurs when the moon moves between the sun and the Earth and casts a shadow.
  3. 10. The point in a moon's orbit when it is farthest from its parent planet.
  4. 11. The path of an object as it goes around another object in space
  5. 13. The slightly oval shape that an orbit follows.
  6. 15. The apparent westward drift of planets resulting from the combination of their motion and the Earth's motion
  7. 16. A bright streak that radiates out from a crater.
  8. 18. The turning, or spinning, of a body on its axis
  9. 21. The slight cone shaped movement of where, in the sky, Earth's axis points
Down
  1. 1. What occurs when the Earth moves between the sun and the moon
  2. 2. A round depression in the surface of the moon.
  3. 4. The dark, relatively smooth areas on the moon's surface.
  4. 5. The name for the model of the solar system with the Sun at the center
  5. 7. The point in a moon's orbit where it is closest to its parent planet.
  6. 8. The motion of a body, such as a planet or moon, along its orbit around some point in space
  7. 9. The name for the model of the solar system with Earth at the center
  8. 12. A distance of approximately 150 million kilometers, the units that a planet's distance to the sun uses.
  9. 14. The point in a body's orbit where it is closest to its parent star.
  10. 17. The uppermost layer of the moon's geology which is made of grey debris that came from the bombardment from space.
  11. 19. The changes in the amount of the moon that is lit throughout the month.
  12. 20. The point in a body's orbit where it is farthest from its parent star.