Space Crossword

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Across
  1. 3. The force that attracts a body towards another physical body having mass
  2. 5. The astronaut on Earth that communicates with the crew in space
  3. 7. A massive ball of gas that releases extreme amounts of energy
  4. 10. The fraction of the Moon that we see illuminated by sunlight
  5. 11. A collection of stars, gas, and dust that ranges from 10,000 to 100,000 light years in diameter
  6. 12. A distinct, named pattern of stars
  7. 13. A small rocky body that orbits the sun
Down
  1. 1. A spiral galaxy also known as Messier 31
  2. 2. A supermassive black hole gorging on gas at the center of a distant galaxy
  3. 4. An event that occurs when the shadow of a planet or moon falls on another body
  4. 6. Clouds of glowing gas
  5. 7. A star ending its life in a huge explosion
  6. 8. The fifth planet from the sun
  7. 9. The distance that light travels in one year
  8. 14. A mathematical model that intertwines the dimensions of space and time into a single four-dimensional manifold