space

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Across
  1. 3. A cloud of gas and dust in outer space.
  2. 4. Icy space object with a tail.
  3. 7. A powerful stellar explosion.
  4. 10. The curved path of a celestial object around a star or planet.
  5. 14. Object that orbits a planet (natural or man-made).
  6. 15. Force that attracts bodies to the center of the Earth (or any other physical body having mass).
Down
  1. 1. Instrument used to make distant objects appear closer.
  2. 2. A large system of stars, gas, and dust.
  3. 5. Obscuring of light from one celestial body by another.
  4. 6. Space traveler
  5. 8. A celestial body orbiting a star.
  6. 9. Earth's natural satellite.
  7. 11. HOLE: Area of space with gravity so strong nothing can escape.
  8. 12. Rocky body orbiting the Sun, smaller than a planet.
  9. 13. A massive, luminous sphere of plasma.