Astronomer

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Across
  1. 5. - Large celestial body that orbits a star.
  2. 6. - A person trained to travel in space.
  3. 9. - Path that a celestial object follows around another object.
  4. 10. - Celestial object consisting of ice, dust, and gas that orbits the sun.
Down
  1. 1. - Vast expanse beyond Earth's atmosphere.
  2. 2. - Vast collection of stars, gas, and dust.
  3. 3. - Glowing celestial object in space.
  4. 4. - A natural satellite that orbits a planet.
  5. 7. - Instrument used to observe distant objects in space.
  6. 8. - Small object from space that burns up upon entering Earth's atmosphere.