Science vocab

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Across
  1. 3. A huge object in space that gives off light and heat
  2. 4. A scientist who studies stars, planets, and other objects in the universe
  3. 6. The sun, the planets that orbit the sun, and other objects that orbit the sun
  4. 9. The spin, or circular movement, of an object on an axis
  5. 10. an object’s orbital motion AROUND another object
  6. 11. A period of time that is 24 hours long and includes daytime and nighttime
Down
  1. 1. An arrangement of stars that form a recognizable pattern or outline
  2. 2. The length of time it takes for earth to orbit the sun one time
  3. 5. Something we observe to be similar over and over again
  4. 7. The only star in our solar system
  5. 8. The pull between earth and other objects, which acts without even touching