Kathryn Dezern 2nd period Astronomy

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Across
  1. 2. is a group of millions and billions of stars held together by their own gravity.
  2. 3. patterns of temperature changes and other
  3. 6. radiation which is energy that travels across distances as certain type of waves
  4. 8. is an object that orbits a more massive object.
  5. 10. the colors that make up visible light are red, orange, yellow, green, blue, indigo, and violet
  6. 13. is the path of an object in space as it moves around another object because of gravity
  7. 14. is the motion of one object around another
  8. 15. station is a satellite in which people can live and work for long periods
Down
  1. 1. is a device that gathers electromagnetic radiation.
  2. 4. is a group of stars that form a pattern in the sky
  3. 5. is the distance between one wave peak and the next wave peak.
  4. 7. is a craft designed to land on a planets surface
  5. 8. system the sun, the planets, and various smaller bodies
  6. 9. of rotation earth rotates around an imaginary line running through the center
  7. 11. is often used to describe a spacecraft that drops into a planets atmosphere
  8. 12. is everything - space and all the matter and energy in it.