Theme: Space

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Across
  1. 5. A celestial body moving in an elliptical orbit around a star
  2. 7. A celestial object consisting of a nucleus of ice and dust
  3. 8. An artificial body placed in orbit around the earth or moon
  4. 9. A person trained to travel in a spacecraft
  5. 10. A small body of matter from outer space that enters Earth's atmosphere
Down
  1. 1. A vehicle designed to propel itself by ejecting exhaust gas from one end
  2. 2. A system of millions or billions of stars
  3. 3. The path of a celestial object around a star planet or moon
  4. 4. A giant cloud of dust and gas in space
  5. 6. An optical instrument designed to make distant objects appear nearer