Animation fading between a purple background speckled with lighter pink and yellowish spots. It fades into a single bright yellow glow, surrounded by a halo of pink and purple.

NASA’s Fermi Mission Links Nearby Pulsar’s Gamma-Ray ‘Halo’ to Antimatter Puzzle

NASA’s Fermi Gamma-ray Space Telescope has discovered a faint but sprawling glow of high-energy light around a nearby pulsar. If visible to the human eye, this gamma-ray “halo” would appear about 40 times bigger in the sky than a full Moon. This structure may provide the solution to a long-standing mystery about the amount of … Continue reading NASA’s Fermi Mission Links Nearby Pulsar’s Gamma-Ray ‘Halo’ to Antimatter Puzzle

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