Space Vocabulary

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Across
  1. 3. an instrument that spreads light into different wavelengths
  2. 4. a meteoroid that strikes a planet or moon
  3. 7. regions of strong magnetic activity; they change over time in number and shape
  4. 8. a meteoroid that has entered Earth's atmosphere and produces a streak of light
  5. 9. a cloud of gas and dust
  6. 12. a small, rocky object that orbits the Sun
  7. 14. the distance light travels in one year
Down
  1. 1. matter that emits no light at any wavelenth
  2. 2. a small, rocky, icy object that orbits the Sun
  3. 5. an oval shape, like the orbits of the planets
  4. 6. a wide, outer most layer of a star's atmosphere
  5. 10. the scientific theory that states that the universe started at one point and has been expanding and cooling since
  6. 11. an object whose gravity is so great that no light can escape
  7. 13. a huge collection of stars gas and dust