The Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI) is a NASA Small Explorer (SMEX) program mission launched on February 5, 2002 to study the basic physics of particle acceleration and explosive energy release in solar flares. The HESSI spacecraft was renamed after launch in honor of one of the co-investigators who passed away in 2001.

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HESSI at Berkeley
Information on the High Energy Solar Spectroscopic Imager, a NASA Small Explorer mission, including proposal details, scientific objectives, fabrication, testing, and launch photos.
Pegasus/OSC Launch of HESSI
Includes mission summary and video from the launch.
RHESSI at NASA Goddard Space Flight Center
Offers project current news, data, software and bug reporting, and science summaries.
RHESSI Education and Public Outreach
Includes news summary, sun science information, a photo gallery, and K-12 curriculum activities.
[4th of July Mozilla]
Last update:
January 2, 2007 at 18:00:35 UTC
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