First-ever constructed image of a terrestrial gamma-ray flash | 1/9/2019 | Staff
chrismpottschrismpotts (Posted by) Level 3
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Terrestrial gamma-ray flashes occur above some thunderstorms and propagate out into space. These high-energy discharges of photons were only discovered less than 25 years ago when a NASA spacecraft designed to observe cosmic gamma-ray bursts from outer space detected flashes that seemed to come from Earth itself.

The scientific community was intrigued, leading to the creation of an observatory to learn more that is now aboard the International Space Station. Called the Atmosphere-Space Interactions Monitor, or ASIM, the suite of instruments includes a gamma-ray detector mounted outside the European Columbus module that captures the whole visible part of Earth and can detect from where the gamma rays are coming.

Start - Operations - Year - Storm-hunter - MXGS

Since the start of operations one year ago, the storm-hunter's MXGS instrument has detected over 200 terrestrial gamma-ray flashes...
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