stars

1. the visible surface of the sun
3. sequence star a star that is fusing hydrogen atoms to helium
6. a glowing spear of gases that produces light through nuclear fusion reactions
7. a tremendous explosion that occurs whrn the core of a star is mostly iron
8. giant stage in a stars development when the inner helium core contracts while the outer layers of hydrogen expand
9. a particle of light
12. a method used by astronomers to calculate the distance to nearby stars using the apparent shift relative to distant stars
13. outermost layer of the sun
14. dwarf a small to mid-sized star has collapsed

2. flare a violent explosion on the sun's surface
4. star the remnant of a massive star after it explodes as a supernova
5. thin layer of the suns atmosphere that lies directly above the photosphere glows red
6. prominence plasma loop flowing between sunspots
10. zone layer of sun immediately surrounding the core where energy moves atoms as electromagnetic waves
11. hole the super dense core left after a supergiant explodes a supernova