7-Billion-Year-old-Gamma-Ray-Mega-Blast-reaches-Earth

Video Details

A long time ago in a galaxy half the universe away, a flood of high-energy gamma rays began its journey to Earth. When they arrived in April, NASA's Fermi Gamma-ray Space Telescope caught the outburst, which helped two ground-based gamma-ray observatories detect some of the highest-energy light e... More

2015-12-21

Added Dec 21, 2015  

Channel Science & Technology

Duration 3:11   |   views 1595


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