Study of the Sun #2 flash cards

nuclear fusion

The process by which two or more small nuclei fuse to make a bigger nucleus

Radiative zone

the zone of the sun's interior that is between the core and the convective zone and in which energy moves by radiation


the visible surface of the sun


layer of the sun's atmosphere above the photosphere



Sun spot

A dark area of gas on the sun's surface that is cooler than surrounding gases.


A huge, reddish loop of gas that protrudes from the sun's surface, linking parts of sunspot regions.

solar flare

A sudden eruption of intense high-energy radiation from the sun's surface

coronal mass ejection

a part of coronal gas that is thrown into space from the sun


an atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force