Unit 3 Science Vocabulary Space

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Across
  1. 4. space and all the matter and energy in it
  2. 8. a star that collapse under gravity to the point that the electrons and proton have smashed together to form neutrons
  3. 10. the actual brightness of an object such as a star
  4. 11. brightness of stars as seen from earth
  5. 12. hertzsprung Russell diagram a graph that shows the relationship between a stars surface temperature and absolute magnitude
Down
  1. 1. a large cloud of gas and dust in interstellar space; a region where stars were born
  2. 2. the distance that light travels in a year
  3. 3. a measure of how bright a star would be if it were seen from a standard distance
  4. 5. all of the frequencies or wave lengths or electro magnetic radiation
  5. 6. a gigantic explosion in which a massive star collapses and throws its outer layers into space
  6. 7. a collection of stars gas and dust bound together by gravity
  7. 9. a small hot dim star that is the left over center of an old sun like star