Spaced Out!

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Across
  1. 6. A rock in space that becomes a bright streak in the sky when it enters Earth's atmosphere.
  2. 7. This device is sent into space to gather data and can travel far beyond the moon.
  3. 11. This space traveler may work aboard the International Space Station.
  4. 12. High-energy particles that originate from outer space.
  5. 13. An instrument that makes distant objects appear nearer and more detailed, often used to look at stars.
  6. 14. The end life explosion of a massive star.
  7. 15. A system that studies the origin, evolution, and eventual fate of the universe.
  8. 17. A region in space having a gravitational field so intense that no matter or radiation can escape.
  9. 19. A very bright, large type of star that has expanded and cooled, giving it a reddish appearance.
Down
  1. 1. An object that orbits planets and can be man-made or natural like the moon.
  2. 2. A celestial body made of ice and dust that develops a tail when it comes near the sun.
  3. 3. Extremely bright centers of distant galaxies, powered by supermassive black holes.
  4. 4. A large body of stars, gas, and dust bound together by gravity.
  5. 5. The debris cloud in space, often a birthplace for new stars.
  6. 8. A type of star that releases huge amounts of energy and appears to pulse in the sky.
  7. 9. A celestial body that orbits a star outside our solar system.
  8. 10. Everything that exists anywhere, including all of space and time.
  9. 11. A small rocky body that orbits the sun, found mainly between Mars and Jupiter.
  10. 16. This force keeps us on the ground and makes objects fall.
  11. 18. The path that objects in space follow as they revolve around another celestial body.