![Gamma-Ray Telescopes. Brief History of Gamma Ray Astronomy 1961 EXPLORER-II: First detection of high-energy -rays from space 1967 VELA satelllites: - ppt download Gamma-Ray Telescopes. Brief History of Gamma Ray Astronomy 1961 EXPLORER-II: First detection of high-energy -rays from space 1967 VELA satelllites: - ppt download](https://slideplayer.com/8048960/25/images/slide_1.jpg)
Gamma-Ray Telescopes. Brief History of Gamma Ray Astronomy 1961 EXPLORER-II: First detection of high-energy -rays from space 1967 VELA satelllites: - ppt download
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This image compresses the Vela movie sequence into a single snapshot by merging pie-slice sections from eight individual frames. NASA's Fermi Gamma-ray Space Telescope orbits our planet every 95 minutes, building up
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