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.
Information on the High Energy Solar Spectroscopic Imager, a NASA Small Explorer mission, including proposal details, scientific objectives, fabrication, testing, and launch photos.
Includes mission summary and video from the launch.
Offers project current news, data, software and bug reporting, and science summaries.
Includes news summary, sun science information, a photo gallery, and K-12 curriculum activities.
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