Earth science

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Across
  1. 4. the measure of heat or radiation
  2. 5. stars that are in their last evolution, they explode into a nova and collapse into a black or white dwarf
  3. 8. a group of stars that form a pattern
  4. 9. considered the old stars in the life span, what stars become after they've exhausted their nuclear fuel
  5. 10. made up of billions of stars, classified according to shape
Down
  1. 1. stars that follow a definite development pattern
  2. 2. stars that have a larger mass than other stars, they will explode into a supernova then any debris will form a neutron star then a black hole
  3. 3. used to categorize stars based on their temperature and their brightness(luminosity). luminosity is on the y-axis, temp. is on the x-axis
  4. 6. measure of radiant energy or brightness
  5. 7. stars spend their most time,considered the middle age of a star's life span/cycle