Unit 3 Vocab, Jerome Whitaker

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Across
  1. 2. Year the distance that light travels in a year, about 9.46 trillion kilometers
  2. 5. a gigantic explosion in which a massive star collapses and throws its outer layers into space
  3. 6. the brightness of a star as seen from Earth
  4. 8. Diagram Hertzsprung-Russell diagram a graph that shows the relationship between a stars surface temperature and absolute magnitude
  5. 9. space and all the matter and energy in it
  6. 10. a collection of stars, dust, and gas bound together by gravity
  7. 11. the actual brightness of an object such as a star
  8. 12. all of the frequencies or wavelengths of em radiation
Down
  1. 1. a small hot dim star that is the left over center of an old sun like star
  2. 3. a star that has collapsed under gravity to the point that the electrons and protons into space
  3. 4. a large cloud of gas and dust in interstellar space also a region where stars are born
  4. 7. a measure of how bright a star would be if it were seen from a standard distance