Space

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Across
  1. 3. Neutron star with an extraordinarily strong magnetic field
  2. 6. Stream of charged particles from the Sun
  3. 7. Boundary beyond which nothing escapes a black hole
  4. 9. Cloud of gas and dust where stars can form
  5. 10. The fabric combining space and time
  6. 13. Instrument used to observe distant objects in space
  7. 15. Natural satellite of a planet
  8. 16. Force that keeps planets in motion
Down
  1. 1. Object that orbits a planet or star
  2. 2. Person trained to travel and work in space
  3. 4. Vast system of stars, gas, and dust
  4. 5. Recognized pattern of stars in the sky
  5. 8. Rocky object, often found between Mars and Jupiter
  6. 11. Nearly massless particle streaming from stellar cores
  7. 12. Icy traveler that forms a glowing tail near the Sun
  8. 14. When one celestial body blocks another