Unit 3 Science Vocabulary

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Across
  1. 2. a gigantic explosion in which a massive star collapses and throws its outer layers into space
  2. 3. star a star that has collapsed under gravity to the point that the electrons and protons have smashed together to form neutron
  3. 4. magnitude a measure of how bright a star would be if it were to seen from standard distance
  4. 5. the actual brightness of an object such as a star
  5. 9. the brightness of a star seen from Earth
  6. 10. a large cloud of gas and dust in a interstellar space; a region where stars are born
  7. 11. a graph that shows the relationship between a star's surface temperature and absolute magitude
Down
  1. 1. all of the frequencies or wavelengths of electromagnetic radiation
  2. 5. the distance that light travels in a year; about 9.46 trillion
  3. 6. a collection of stars, dust, and gas bound together bu gravity
  4. 7. dwarf a small hot dim star that is the left over the enter of an old syn like star
  5. 8. space and all the matter and energy in it