A miniature cubesat built by Eastern European astronomers has been detecting gamma-ray bursts since 2021.
are the current flagship gamma-ray burst spotters. Optimized to detect super high energy gamma radiation, which is billions of times more energetic than what human eyes can see, these two spacecraft together detect the vast majority of gamma-ray bursts aimed at Earth. However, Werner said, they don't do a very good job finding the source of those flashes. Another NASA spacecraft,, just a year and a half short of its 20th birthday, is equipped to find the source of gamma-ray bursts.
Astronomers want to know where gamma-ray bursts come from so that they can point other types of telescope toward those sources, and study the aftermath of the cataclysmic events that produced them. NASA's aging Swift spacecraft does an excellent job finding the sources of gamma-ray bursts, but it only sees one ninth of the sky."It occurred to us that if you have a constellation of cubesats, then you can cover the whole sky," Werner said."That's a big advantage compared to the big monolithic missions.
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