Gage Shepard

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Across
  1. 2. star- a star that has collapsed under gravity to the point that the electrons and protons have smashed together to form neutrons
  2. 4. a large cloud of gas and dust in interstellar space; a region where stars are born
  3. 7. spectrum- all frequencies or wavelengths of electromagnetic radiation
  4. 8. a gigantic explosion in which in a massive star collapse and throws its outer layers into space
  5. 9. dwarf- a small hot dim star that is the left over center of an old sun like star
  6. 12. magnitude- the brightness of an object such as a star
Down
  1. 1. the actual brightness of an object such as a star
  2. 3. magnitude- a measure of how bright a star would be if it were seen from a standard distance
  3. 5. year- the distance that light travels in a year; about 9.46 trillion kilometers
  4. 6. space and all the matter and energy in it
  5. 10. diagram- hertzsprung-Russel 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