Across
- 2. a gigantic expolsion in which massive star collapse
- 4. the actual brightness of an object such as a star
- 6. a large cloud of gas and dust in interstellar space
- 7. the distance that light travels in a year
- 9. frequencies or wavelengths or elec radiations
- 11. a small hot dim star that is the left over center of old
Down
- 1. graph that shows relationship between a star temp and mag
- 2. and all the matter and energy in it
- 3. a measure of how bright a star would be standard
- 5. the brightness of a star as seen from earth
- 8. a star collapsed under gravity point e and p make neu
- 10. a collection of stars dust and gas bound together by gravity