Astronomy- Nathan Droster- 2nd

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Across
  1. 4. small space rock moving through our solar system
  2. 6. a mixture of hydrogen, helium, and oxygen.
  3. 9. when the moon is covered by the earths shadow
  4. 12. a state at which all possible states of a system is shown
  5. 13. the two times of the year at which the sun is the farthest away from the earth
  6. 18. States that every particle attracts every other particle
  7. 20. an object that orbits a planet
  8. 21. a cycle that starts at January 1st and ends December 31st thus making it 360 days in a year
  9. 23. a space of which illumination is partial
  10. 24. a mixture of ice and dust
  11. 26. An object that orbits a star, is large enough to have become rounded by its own gravity
  12. 27. A streak of light in the sky produced by a meteoroid burning by the earth's atmosphere
Down
  1. 1. the rise and fall of the sea
  2. 2. a rotation around a star or a planet
  3. 3. occurs when the moon is between earth and the sun
  4. 5. the darkest part of a planets shadow
  5. 7. the rotation around a star
  6. 8. a group of stars in a shape of something.
  7. 10. a hole either on the earth or moon, caused by an impact
  8. 11. occurs when the sun and the moon are aligned with earth
  9. 14. the two times of the year at which the sun is the closest to earth
  10. 15. A force that attracts objects towards planets with varying results
  11. 16. an imaginary line that expands from north to south
  12. 17. when the difference from low tide and high tide are minimal
  13. 19. how a planet moves around it's axis
  14. 22. partial or total covering of an object.
  15. 25. large and dark basaltic plains on the moon