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The Life Cycles of Stars (Grades 9-12) - Page 20

Supernova Remnant - expanding cloud of radioactive material formed when the outer layers of an exploding star (supernova) are blasted away

White Dwarf - a star that has exhausted most or all of its nuclear fuel, collapsed into a size similar to the Earth; such a star is near the final stage of its evolution




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A service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA/GSFC

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