Space

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Across
  1. 9. a celestial body moving in an elliptical orbit around a star.
  2. 10. An object that revolves around another object in space
  3. 11. a celestial object consisting of a nucleus of ice and dust and, when near the sun, a "tail" of gas and dust particles pointing away from the sun.
  4. 13. a fixed luminous point in the night sky that is a large, remote incandescent body like the sun.
  5. 14. sun, planets, and all the other objects that revolve around the sun
  6. 15. a group of stars that form a pattern
Down
  1. 1. All of space and everything in it
  2. 2. amount of light than travels within a year
  3. 3. A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere.
  4. 4. A collection of stars, dust, and gas bound together by gravity
  5. 5. A typical star that is the source of light and heat for the planets in the solar system.
  6. 6. a small rocky body orbiting the sun
  7. 7. the study of stars and planets
  8. 8. The name of our galaxy
  9. 12. A natural satellite that revolves around a planet.