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How Does The Universe Generate X-rays?

X-rays are generated in two different ways: Either by electrons changing energy levels within an atom, or by interactions encountered by free electrons.

* Tell me about X-rays from atoms

* Tell me about X-rays from free electrons

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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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Project Leader: Dr. Jim Lochner
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Last Updated: Wednesday, 20-Aug-2008 15:58:59 EDT