U.S. Naval Research Laboratory scientists launched the second Strontium Iodide Radiation Instrument (SIRI-2) instrument in December 2021 onboard Space Test Program (STP) Sat-6. SIRI-2, a gamma-ray ...
NEW ORLEANS — Astronomers using a NASA space telescope have discovered a region of the sky with a mysterious concentration of some of the universe's highest-energy radiation. The astronomers were ...
As two NASA astronauts gear up for a months-long unplanned stay on the International Space Station (ISS), they may also be increasing their risk of radiation exposure. Barry "Butch" Wilmore and Sunita ...
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