Science project: Beyond Earth Puzzle

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Across
  1. 4. located near Jupiters orbit
  2. 5. farthest point from the sun
  3. 7. closest point from the sun
  4. 9. composed purely made of iron and nickel
  5. 10. are meteor showers coming from the debris of asteroid 2003EH1
  6. 11. are small chunks of outer space debris
  7. 12. also called as"miniature planets" or"planetoids"
  8. 13. describes the orbits of planets as ellipses
  9. 16. the biggest star near Earth
  10. 17. this extends out from the nucleus
  11. 22. a celestial event where several meteors enter the Earths atmosphere At great speeds
  12. 23. happens when a meteor survives its fall from the Earths atmosphere and hits the ground
  13. 26. planet known for its rings
  14. 27. composed of a mixture of nickel,magnesium silicate and iron
  15. 28. this is where a large majority of comets originate
  16. 29. is the amount of light refelected by a planet or any celestial objects
  17. 31. this asteroid wiped out almost 70% of the dinosaur species
  18. 32. is the most popular and famous short-period comet
  19. 33. located between Mars and Jupiter
  20. 35. referred to as"dirty snowballs"
Down
  1. 1. a meteor shower that happens every 75-76 years
  2. 2. discovered planet Uranus
  3. 3. can be observed annually,originates from constellation Perseus
  4. 6. a dwarf planet beyond Neptune
  5. 8. comes from the debris of asteroid 3200 Phaeton
  6. 14. believed to be remnants of the nebula
  7. 15. amateur astronomer who discovered the asteroid Vesta
  8. 18. asteroids that cross and spend time outside of Earths orbit
  9. 19. came from the constellation Leo,considered as the"king of meteor showers"
  10. 20. crosses and spends time inside of Earths orbit
  11. 21. called as "shooting star" or "falling star"
  12. 24. is an example of an long-period comet
  13. 25. denotes that the eight planets of the solar system revolve around the sun
  14. 30. composed of ice,frozen gas, rocks, and dust
  15. 34. asteroids that approach but does not cross Earths orbit
  16. 35. a large bright cloud of dust and gas that covers the nucleus