Astronomy Vocabulary

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Across
  1. 3. planets travel the slowest
  2. 6. using light energy for oxygen
  3. 8. radiation emitted by the sun
  4. 11. the motion of a body along a point
  5. 15. the process of burning something
  6. 16. the turning or spinning of a body on the axis
  7. 17. stream of electrically charged particles
  8. 20. large cloud of dust or gas in space
  9. 21. day and night equal in both hemispheres
  10. 23. transfer of heat from one substance to another
Down
  1. 1. small nuclei form into one large nuclei
  2. 2. electromagnetic waves in order
  3. 3. the scientific study of the universe
  4. 4. longest or shortest solstice
  5. 5. planets travel the fastest
  6. 7. a tide after the third quarter moon
  7. 9. transferred energy by electromagnetic waves
  8. 10. a tide after the full moon
  9. 12. incoming solar radiation
  10. 13. the center of mass of two or more bodies
  11. 14. a slow motion of Earth's axis
  12. 18. the wobbling of Earth's axis
  13. 19. warm will ride cool will sink
  14. 22. planets made of gas