space

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Across
  1. 1. A rocky object that travels around the Sun, usually found between Mars and Jupiter. (8)
  2. 3. An object that travels around a planet, either naturally or artificially. (9)
  3. 5. A scientist who studies stars, planets and other objects in space. (10)
  4. 9. A hypothetical inhabitant of the planet Mars. (7)
  5. 10. A vast collection of stars, gas and dust held together by gravity. (6)
  6. 11. An icy body that develops a glowing tail when near the Sun. (5)
Down
  1. 2. An event in which one celestial body blocks the light from another. (7)
  2. 4. A colourful cloud in space where new stars can form. (6)
  3. 6. The path followed by a planet or satellite around another object. (5)
  4. 7. Another word for the universe considered as an ordered system. (6)
  5. 8. An extremely bright and distant object powered by a supermassive black hole. (6)
  6. 9. A streak of light seen when a space rock burns up in Earth's atmosphere. (6)