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