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LIFE CYCLE OF A STAR

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The Nursery<br />

All stars begin their life in a<br />

NEBULA.<br />

A nebula is a gigantic cloud of<br />

dust, gas, and plasma in<br />

space.<br />

II.A.<br />

If there is enough matter in<br />

the nebula, gravity will start<br />

to pull everything together<br />

into a PROTO<strong>STAR</strong>.<br />

A protostar is an infant<br />

star…the equivalent of a<br />

newborn baby.<br />

© 2004 Plano ISD, Plano, TX<br />

III.A.<br />

The Horsehead Nebula

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