Vocabulary Words

3. a star that suddenly becomes brighter
8. Nebula cloudy remnants of smaller stars that have shed their outer layers of gas
9. Sequence location on the H-R diagram where most stars lie
12. a large cloud of dust and dust in interstellar space
13. Flare an explosive release of energy that comes from the sun and that is associated
15. a star that has such a tremendous explosion that it blows itself apart

1. a large celestial body that is composed of gas and that emits light
2. Mass Ejection coronal gas that is thrown into space from the sun
4. a very large star that is even brighter than a giant
5. Hole on object so massive and dense that even light cannot escape its gravity
6. Giant a very large and bright star
7. dwarf a small, hot dim star that is the leftover center
10. a rapidly spinning neutron star that emits pulses of radio and optical energy
11. a dark area of the photosphere of the sun that is cooler than the surrounding areas
14. Star a star that collapsed under gravity