Sun Moon and Earth

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Across
  1. 2. The line separating the light and the dark sides of any astronomical body
  2. 3. The visible surface of the sun
  3. 5. The lowest layer of the suns atmosphere starting at the photosphere and extending out to 2000km from the surface
  4. 6. System The sun, planets, and small solar system bodies and other objects held in orbit around the suns gravity
  5. 9. The suns apparent path among the stars as observed from earth equivalent to the place of the earths orbit
  6. 10. The Spin of and object around its center of mass such as the earth rotating about its axis
  7. 11. The point in an orbit around the earth at which the orbiting body is nearest to the earth
Down
  1. 1. An ancient model of the solar systems that placed the earth at the center with the sum and planets orbiting the earth in perfect circular paths
  2. 4. A model of the solar system that places the sun at its center with the earth and other planets orbiting around it
  3. 5. Anything having to do with astronomical objects
  4. 7. Orbital motion around its point such as the earth revolving around the sun
  5. 8. The point in an orbit around the earth at which the orbiting body is farthest from the earth