Earth and Sun

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Across
  1. 2. The planets made of gas are called this
  2. 5. The outer planets are made of
  3. 7. A group of stars in a pattern
  4. 11. The planets closest to the sun
  5. 13. When the Earth is in the light
  6. 14. When the earth is between the sun and the moon
  7. 16. A shadow points (blank) of the sun
  8. 17. The inner planets are made of
  9. 18. The Earth spins on its own axis
  10. 19. An oval path around a star or sun
  11. 20. mass of rock, ice and gas orbiting the sun
Down
  1. 1. The star at the center of our solar system
  2. 2. The force that keeps Earth in its orbit
  3. 3. The sun sets in the
  4. 4. Mercury, Venus, Earth and Mars are (blank) planets
  5. 6. The sun rises in the
  6. 8. The sun is low in the sky, the shadow is
  7. 9. When the moon is between the sun and the earth
  8. 10. The dark spot caused by an object
  9. 12. Jupiter, Saturn, Uranus and Neptune are ( blank) planets
  10. 15. This is needed for a shadow
  11. 17. The Earth goes around the sun