Abbreviation for X-ray Multi-Mirror Mission, the European Space Agency's X-ray space observatory launched in 1999.
Abbreviation for X-ray Multi-Mirror Mission, the European Space Agency's X-ray space observatory launched in 1999. Used in astronomy and astrophysics contexts. Informally sometimes called XMM-Newton. Not a slang term — a standard acronym in scientific usage.
The team used XMM data to map the hot gas distribution around the galaxy cluster.
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X-ray Multi-Mirror Mission.
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