unit 3 vocab

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Across
  1. 5. The brightness of a star if seen in a standard distance
  2. 6. How far light can travel in a year
  3. 7. The brightness of a star from earths perspective
  4. 10. Space and all the matter and energy in it
  5. 11. Gravity made it collapse and the atoms are all clashing
  6. 12. Milky way
Down
  1. 1. Shows the relationships between stars
  2. 2. Wavelengths and electromagnetic radiation
  3. 3. Small bit of a star that is left over
  4. 4. Cloud in space or where stars are born
  5. 8. A big star gets destroyed
  6. 9. The actual brightness