The 660-pound RHESSI spacecraft came down on Wednesday night (April 19).
Most of the spacecraft likely burned up in Earth's atmosphere, though some pieces were expected to make it to the ground, NASA officials said.like never before.
RHESSI was tasked with imaging"the high-energy electrons that carry a large part of the energy released in"It achieved this with its sole instrument, an imaging spectrometer, which recorded X-rays andfrom the sun," they added."Before RHESSI, no gamma-ray images nor high-energy X-ray images had been taken of solar flares."
The satellite continued operating until 2018. During that long tenure,"RHESSI documented the huge range in solar flare size, from tiny nanoflares to massivetens of thousands of times bigger and more explosive," NASA officials wrote.
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