Science crossword puzzle

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Across
  1. 4. one of the most famous comets and short-period comet
  2. 6. "King of meteor showers"
  3. 9. a large majority on where comets come from.
  4. 11. It is a celestial object, dwarf planet, and planetoids.
  5. 13. An amateur astronomer who discovered the asteroid Vesta.
  6. 15. when a meteor hits the Earth's atmosphere and strikes the ground
  7. 17. cross and spend most of their time in Earth's orbit.
  8. 20. Asteroids that approach but do not cross Earth's orbit.
  9. 22. it is the amount of light reflected by a planet or any celestial objects.
  10. 23. Asteroids that cross but spend most of their time outside Earth's orbit.
  11. 24. Closes distance from the sun.
  12. 25. a celestial object that is crashing through Earth's atmosphere.
Down
  1. 1. It is a meteor shower coming from the debris of asteroid 2003EH1.
  2. 2. It is a long-period comet.
  3. 3. it is a celestrial event when several meteors enter the Earth's atmosphere.
  4. 5. It is a meteor shower that happens every 75 to 76 years.
  5. 7. The other planets that orbits the sun near the plane of Earth's orbit.
  6. 8. This meteor shower can be observed annually, and its peak is either July or August.
  7. 10. Named after Gerald Kuiper.
  8. 12. It comes from the debris of an asteroid called 3200 Phaeton.
  9. 14. Small chunks of outer space debris that are attracted by Earth's gravity.
  10. 16. a region of space between the orbits of Mars and Jupiter where most of the asteroids in our Solar System are found orbiting the Sun.
  11. 18. Farthest from the Sun.
  12. 19. They are located near Jupiter's orbit.
  13. 21. An celestial object composed of ice and dust.