Tracing the History of Starlight with NASA's Fermi Mission (VIDEO)
Caption
Gamma rays from distant galaxies called blazars interact with starlight as they travel across the universe. As shown in this video, those reaching the Fermi Gamma-ray Space Telescope can help scientists learn about the history of star formation throughout the cosmos. View on YouTube: https://www.youtube.com/watch?v=V-v0DwNa194 Download in HD formats: https://svs.gsfc.nasa.gov/13104
Credit
NASA's Goddard Space Flight Center
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License
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