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What does HESSI mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: HESSI.

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HESSI

High Energy Solar Spectroscopic Imager

Governmental » Energy

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What does HESSI mean?

hessi
Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI, originally High Energy Solar Spectroscopic Imager or HESSI or Explorer 81) was a NASA solar flare observatory. It was the sixth mission in the Small Explorer program (SMEX), selected in October 1997 and launched on 5 February 2002, at 20:58:12 UTC. Its primary mission was to explore the physics of particle acceleration and energy release in solar flares.

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