An Etymological Dictionary of Astronomy and Astrophysics

A plot representing the evolution of the internal structure of a star as a function of time. The x-axis indicates the time, the y-axis the mass, and a color or
shading specifies convective regions. A vertical line through the graph corresponds to a model at a particular time.

See also: Named after Rudolf Kippenhahn (1926-), a German astrophysicist;
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