Solar System Objects

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Across
  1. 2. Group of single stars, star systems, star clusters, dust, and gas bound together by gravity.
  2. 6. Large cloud of gas and dust containing immense volume of material.
  3. 8. Brightness the star would have if it were at a standard distance from Earth.
  4. 9. The blue-white core that is left behind cools
  5. 10. A contracting cloud of gas and dust with enough mass to form a star.
Down
  1. 1. Brightness as seen from Earth.
  2. 3. Explosion
  3. 4. The universe exploded
  4. 5. Distance light travels in one year.
  5. 7. All of space and everything in it.