nova		outer layer of the sun's atmosphere
core		outer layer of a massive star that is blown apart in a violent explosion
red giants		large, bright stars that are fairly cool
supergiants		layer of the sun's atmosphere above the photosphere
corona		center of the sun
solar flares		stars that fall within a band in the middle of the H-R diagram
chromosphere		layer of the sun's atmosphere
photosphere		dark, cool areas of the sun's surface
main sequence stars		eruptions of electrically charged particles from the surface of the sun
supernova		outer layer of a star blown off in an explosion
sunspots		streams of gases that shoot high above the sun's surface
prominences		very large stars
white dwarfs		very small, hot stars