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Superbubbles are produced as large hot stars interact with the surrounding interstellar medium. When stellar winds combine with supernova explosions in a relatively small region of space, a superbubble is produced. Inside is a large cavity filled with very tenuous hot gas. If the gas inside is hot enough, it emits X-rays.

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Imagine the Universe! is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA's Goddard Space Flight Center.

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This page last updated: Monday, 27-Sep-2004 11:26:11 EDT