seth edwards space 6th

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Across
  1. 1. a group of millions or billions of stars held together by gravity
  2. 4. a wide zone of small particles that orbit a planet
  3. 8. a satellite in which people can live and work for long periods
  4. 10. the colors that make up visible light
  5. 13. a dark area of the moon
  6. 14. an object that orbits a more massive object
  7. 15. sunlight shines equally on the northern and southern hemisphere
  8. 17. a divide that gathers electromagnetic radiation
  9. 18. a spacecraft that drops into a planet's atmosphere
  10. 19. crater when an object strikes the surface of a larger object in space it explodes and leaves behind a round pit called an
Down
  1. 1. jupiter saturn uranus and neptune
  2. 2. a craft designed to land on a planet's surface
  3. 3. occurs when molten rock moves from a planets hot interior onto its surface
  4. 5. a group of stars that form a pattern in the sky
  5. 6. small solid rocky bodies that orbit close to the sun
  6. 7. the path of an object in space as it moves around another object
  7. 9. a small icy object that is difficult to see
  8. 11. when a shadow makes the sun or moon seem to grow dark
  9. 12. particles that become very hot enough to glow producing brife strikes of light
  10. 16. a space object that reaches earths surface