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astronomy part 2
earth science
Term | Definition |
---|---|
photosphere | the inner layer of the sun's atmosphere. |
chromosphere | the middle layer of the sun's atmosphere. |
corana | the outer layer of the sun's atmosphere . |
solar wind | an stream of electrical charged particles . |
sunspot | dark,cooler regions of the sun. |
prominence | a loop of gas that protrudes from the sun's surface,linking from sun spot region. |
solar flare | an explosion of hydrogen gas from sun's surface that occurs when loops in sunspot region suddently connect. |
nuclear fusion | the splitting of an atom's nucleus into smaller nuclei. |
constellation | the area of stars in the an galixe . |