Science Vocab Lessons 3 & 4

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Across
  1. 3. star blazes millions times brighter
  2. 9. its brightness from earth
  3. 10. find out
  4. 11. to look at
  5. 12. large cloud of gas and dust containing an immense volume of material
Down
  1. 1. distance that light travels in one year
  2. 2. all of space and everything in it
  3. 4. the brightness the star would have if at a standard distance from earth
  4. 5. cloud of gas and dust with enough mass to form a star
  5. 6. universe was formed in an instant in an explosion
  6. 7. a group of single stars, star systems, star clusters, dust,and gas bound together by gravity
  7. 8. blue-white core that is left behind and cools