Unit 3 Science Vocabulary Space

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