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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.

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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Acting Project Leader: Dr. Barbara Mattson
All material on this site has been created and updated between 1997-2012.

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