space

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Across
  1. 4. a huge collection of stars, gas and dust
  2. 7. a large sphere of hydrogen gas, held together by gravity that is hot enough for nuclear reactions to occur in its core
  3. 8. a meteoroid that strikes a planet or a man
  4. 9. regions of strong magnetic activity
  5. 12. a small rocky mineral that moves through space
  6. 13. a cloud of gas or dust
  7. 14. the orange-red layer above the photosphere of a star
Down
  1. 1. a wide outermost layer of a stars atmosphere
  2. 2. the distant light travels in one year
  3. 3. an instrument that spreads light into different wavelengths
  4. 5. a small rocky object that orbits the sun
  5. 6. the apparent surface of a star
  6. 10. a small rocky and icy object that orbits the sun
  7. 11. two fixed points called foci
  8. 12. a meteoroid that has entered earths atmosphere