Bitty Rudd (1)

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Across
  1. 4. is a band strip
  2. 8. fragments from their disintegration, erosion and collisions or even paint flecks, solidified liquids expelled from spacecraft, and unburned particles from solid rocket motors.
  3. 9. a solid piece of debris from an object, such as a comet, asteroid, or meteoroid,
  4. 10. Big Planets
  5. 13. a unit of measurement equal to 149.6 million kilometers, the mean distance from the center of the earth to the center of the sun.
  6. 15. Van Allen Belts
  7. 17. deviation of a curve or orbit from circularity.
  8. 18. actual or apparent motion of a body in a direction opposite to that of the (direct) motions of
Down
  1. 1. a fundamental system in condensed matter sciences and the main constituent of gas giant planets
  2. 2. Smaller then the gas giants
  3. 3. Mercury, Venus, Earth, and Mars,
  4. 5. The sun and moon on top of each other
  5. 6. When Earth encounters many meteoroids at once
  6. 7. a streaking of light
  7. 11. lumps of rock or iron that orbit the sun
  8. 12. is a donutshape
  9. 14. a minute planet; a body that could or did come together with many others under gravitation to form a planet.
  10. 16. different vritys of them