Space

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Across
  1. 2. Chunks of rock and metal left over from when our Solar System formed.
  2. 3. A group of stars that form a pattern
  3. 6. The natural satellite of the earth
  4. 7. The force that attracts a body toward the center of the earth
  5. 8. The science of the origin and development of the universe
Down
  1. 1. The curved path of a celestial object or spacecraft around a star, planet, or moon.
  2. 3. A celestial object consisting of a nucleus of ice and dust
  3. 4. The main star in our Solar System
  4. 5. A celestial body moving in an elliptical orbit around a star.
  5. 7. A system of millions or billions of stars