Reference Terms
from Wikipedia, the free encyclopedia

Stellar evolution

In astronomy, stellar evolution is the sequence of changes that a star undergoes during its lifetime; the hundreds of thousands, millions or billions of years during which it emits light and heat.

Over the course of that time, the star will change radically.

Note:   The above text is excerpted from the Wikipedia article "Stellar evolution", which has been released under the GNU Free Documentation License.
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August 28, 2015

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updated 12:56 pm ET