Astronomy

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Across
  1. 3. This man came up with the idea that the solar system was Sun-centered
  2. 4. This word means growing and light on the right
  3. 6. An instrument that aids in the observation of remote objects
  4. 8. The star at the center of our solar system
  5. 12. Sun-centered solar system
  6. 14. Moon phase where it is majority illuminated on the left side
  7. 16. The planet closest to the Sun
  8. 17. A meteoroid that has entered Earth's atmosphere
  9. 18. He used a telescope to find that Jupiter had moons and Venus had phases
  10. 19. These planets are more dense
  11. 22. This word means shrinking and light on the left
  12. 24. The largest planet in the solar system
  13. 25. The seventh planet from the Sun
Down
  1. 1. Earth-centered solar system
  2. 2. Moon phase where half is lit on the right
  3. 5. Found between Mars and Jupiter
  4. 7. The planet we live on
  5. 9. Known as Earth's twin
  6. 10. He wrote the laws of planetary motion
  7. 11. This consists of the Sun and its planetary system
  8. 13. The sixth planet from the Sun and the second largest in our solar system
  9. 15. We find these near Neptune
  10. 16. The only natural satellite of the Earth
  11. 20. Moon phase that occurs when the moon is directly between the sun and Earth.
  12. 21. A dwarf planet that is not longer considered a planet
  13. 23. The eighth and farthest planet from the Sun