science crossword

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Across
  1. 2. a belt located outside the solay system where asteroids can also be found
  2. 4. the large majority of comet
  3. 9. occurs when earth passes through an unusually dense debris cloud from a comet
  4. 11. what is a shooting star
  5. 13. considered the "king of meteor shower
  6. 14. a long-period comet
  7. 17. consists of 3 gaseous planets-jupiter,saturn,uranus
  8. 21. a meteor shower is named after a
  9. 22. asteroids that cross but spend most of their time outside earths orbit
  10. 25. cross and spend most of their time in earths orbit
  11. 28. rocky celestial bodies that vary in brightness
  12. 29. is between the inner and outer solar system
  13. 31. complete their orbit in 200 yrs or less
  14. 34. located near jupiter's orbit
  15. 35. meteor showers coming from the debris of the asteroid 2003EH1\
Down
  1. 1. a celestial event in witch several meteors enter earths atmosphere at great speeds on parallel trajectories
  2. 3. referred to as 'dirty snowball'
  3. 5. a potentially hazardous huge asteroid
  4. 6. includes 4 terrestrial planet murcury,venus,earth,mars
  5. 7. asteroids that approach but do not cross earth's orbit
  6. 8. a large bright cloud of dust and gas
  7. 10. the most popular and famous short-period comet
  8. 12. complete their orbits in more than 200yrs
  9. 15. forms as gases and plasma escape from the nucleus
  10. 16. a non-periodic comet that is visible in the night sky
  11. 18. orbits around the sun, not as a perfect circle
  12. 19. tail a long visible glowing tail that forms when the comet is near the sun
  13. 20. the orbits are not confined to the plane of the solar system
  14. 23. happens every 75 to 76 yrs
  15. 24. comes from the debris of an asteriod named 3200 phaeton
  16. 26. an annual meteor shower that occurs as the earth passes through debris left by comet swift tuttle
  17. 27. another term of calling an asteroid
  18. 30. amount of light reflected by a planet or any celestial object
  19. 32. small chucks of outer space debris that are attracted by earths gravity
  20. 33. our home galaxy