File:TGFmirrorpoint.jpg
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Captions
Captions
A terrestrial gamma-ray flash (TGF) event with associated electron/positron beams which were detected by the fermi telescope as well as its bounce from the magnetic mirror point
Summary[edit]
| Description |
English: On Dec. 14, 2009, while NASA's Fermi flew over Egypt, the spacecraft intercepted a particle beam from a terrestrial gamma-ray flash (TGF) that occurred over its horizon. Fermi's Gamma-ray Burst Monitor detected the signal of positrons annihilating on the spacecraft — not once, but twice. After passing Fermi, some of the particles reflected off of a magnetic "mirror" point and returned. |
| Date | |
| Source |
https://svs.gsfc.nasa.gov/vis/a010000/a010700/a010706/index.html https://www.nasa.gov/mission_pages/GLAST/news/fermi-thunderstorms.html https://www.nasa.gov/multimedia/guidelines/index.html |
| Author | NASA's Goddard Space Flight Center |
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