Bear's Bruce East

Edit Answers
123456789101112
Across
  1. 2. a self-luminous celestial body consisting of a mass of gas held together by its own gravity in which the is generated by nuclear gravity reactions in its interior
  2. 3. areas of
  3. 8. a plot of the surface temperature of stars vs their luminosity
  4. 9. a galaxy with a bright center and very little dust or gas
  5. 10. all space and the matter space contains
  6. 11. a large grouping of stars in space
  7. 12. large cloud of gas and dust in interstellar space; the location of star formation
Down
  1. 1. a galaxy with bulge in the center and very distinct long arms winding around the center
  2. 4. a representation of an object that is accurate in its proportions to the actual object
  3. 5. galaxy with central bulge or with short arms; if any are present
  4. 6. the death of a star by explosion
  5. 7. a galaxy that does not fit into any categories; a galaxy with very little symmetry