Space

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Across
  1. 2. The gaseous outer layer of the Sun’s atmosphere
  2. 4. How much material an object is made up of
  3. 6. A group of stars that form a pattern
  4. 8. A piece of rock or metal that lands on Earth’s surface
  5. 9. A regular and repeating circuit that one celestial object takes around another
  6. 10. Objects made of frozen gases, rock and dust that orbit the Sun
  7. 12. An object intentionally placed into space to orbit a celestial body to collect information
  8. 13. a distinct luminescent part of interstellar medium
  9. 14. Earth's only natural satellite
Down
  1. 1. The force that pulls objects towards each other
  2. 3. A cloud of dust and gas in space
  3. 5. The three-dimensional expanse in which all material things exist
  4. 7. The area of air and gas that envelopes Earth and other astronomical objects
  5. 11. an object that is neither a planet nor a comet
  6. 12. an astronomical object comprising a luminous spheroid of plasma