NASA expects the 660-pound RHESSI satellite, which once observed the sun, to plunge through the atmosphere on Wednesday night and fall to Earth.
in a statement. It said the “risk of harm coming to anyone on Earth is low,” or around a 1-in-2,467 chance.
The 660-pound Reuven Ramaty High Energy Solar Spectroscopic Imager — or RHESSI — has been in space for over 20 years. It was deployed to observe solar flares and clouds of plasma expelled from the sun, and it remained in orbit after it was decommissioned in 2018. The Department of Defense forecasts that RHESSI will reenter Earth’s atmosphere around 9:30 p.m. Eastern time on Wednesday, plus or minus 16 hours, thoughBefore it was decommissioned, the satellite recorded more than 100,000 solar events, capturing some of the first images in high-energy X-rays and gamma rays of solar flares.
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