universe vocab-makayl hor-1st

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Across
  1. 3. Arms- Areas of stars that spread out from the center
  2. 6. cloud of gas and dust in interstellar space;
  3. 7. All space and the matter space contains
  4. 8. Mass- Used in astronomy as a standard unit to
Down
  1. 1. the size of other stars with our sun
  2. 2. A large grouping of stars in space
  3. 3. of light- How fast light travels 300,000km/sec
  4. 4. location of star formation
  5. 5. the death of a large star by explosion