Unit 3 vocabulary By: Miriam Fragano

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