At the center of our galaxy, there's a mysterious, diffuse glow given off by gamma rays — powerful radiation usually emitted by high-energy objects such as rapidly rotating or exploding stars.NASA's ...
The latest visitor from deep space is leaving a mark that stretches far beyond its icy core. Interstellar comet 3I/ATLAS is wrapped in an enormous X-ray glow that extends roughly 250,000 miles into ...
The third known interstellar comet to visit our solar system has just done something no one had seen before: it lit up in X-rays, surrounded by a ghostly halo roughly 400,000 kilometers across. That ...
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