- Imager and spectrometer for high-energy photons from the sun ...hessi.ssl.berkeley.edu
- Other RHESSI Web Sites June 5 Press Release First-Light Press Release View the Major Events page for the current mission status. Welcome to NASA Goddard's home page for the Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI). RHESSI is a NASA Small Explorer. RHESSI was launched on February 5, 2002. RHESSI's primary mission is to explore the basic physics of particle acceleration and ...hesperia.gsfc.nasa.gov/hessi
