The area of the Sun where energy is transported by convection; occurs in the outer layer of the Sun

The cumulative atmosphere of the Sun that is responsible for radiating light

A sudden eruption of radiation from the surface of the Sun

A nuclear reaction in which two lighter nuclei combine to form a single heavier nucleus and some of the original mass is converted to energy

Stable stars in the middle developmental phases that plot along a continuous diagonal belt on the Hertzsprung-Russell diagram

A cloud of interstellar gas and dust created by a dying, low-mass star

A stellar remnant roughly the size of Earth of a star similar in mass to our Sun

An aging, giant star that has consumed its core's supply of hydrogen fuel

The central part of Earth, composed of a solid inner core and a liquid outer core

A nuclear reaction in which a heavy nucleus breaks into two lighter nuclei, releasing energy

A very large star of high luminosity and low surface temperature