As a star forms out of gravitational collapse of a cloud: it gains gravitational energy and loses kinetic energy. the star is much hotter than the initial cloud. The kinetic energy gain equals the loss in gravitational energy. the star is much hotter than the initial cloud, however, the kinetic energy gain is only half the loss in gravitational energy. the interior of the star is much hotter than the surface layers because the central density is higher.

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As a star forms out of gravitational collapse of a cloud:
it gains gravitational energy and loses kinetic energy.
the star is much hotter than the initial cloud. The kinetic energy gain equals the loss in gravitational energy.
the star is much hotter than the initial cloud, however, the kinetic energy gain is only half the loss in
gravitational energy.
the interior of the star is much hotter than the surface layers because the central density is higher.
Transcribed Image Text:As a star forms out of gravitational collapse of a cloud: it gains gravitational energy and loses kinetic energy. the star is much hotter than the initial cloud. The kinetic energy gain equals the loss in gravitational energy. the star is much hotter than the initial cloud, however, the kinetic energy gain is only half the loss in gravitational energy. the interior of the star is much hotter than the surface layers because the central density is higher.
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