Unit 3 vocabulary Mr. Summers

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Across
  1. 2. stars,dust,and gas
  2. 5. Hertzsprung-Russell diagram a graph that shows the relationship between a star's surface temperature and absolute magnitude
  3. 7. gigantic explosion in which a massive star collapses and throws his outer layers into space
  4. 10. small hot dim star that is the left over center of an old sun like star
  5. 11. Star that has collapsed under gravity to the point that the electrons and protons have smashed together to form neutrons
  6. 12. all the frequencies or wavelengths of electromagnetic radiation
Down
  1. 1. large cloud of gas in interstellar space
  2. 3. brightness of a star as seen from earth
  3. 4. all matter and energy
  4. 6. actual brightness of an object such as a star
  5. 8. distance that light travels in a year
  6. 9. Measure of how bright a star would be if it were scene from a standard distance