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Scientists detect X-ray glow from interstellar comet 3I/ATLAS extending 250,000 miles into space
A rare interstellar comet has been caught in X-rays by two space telescopes, revealing how its gases interact with charged ...
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3I/ATLAS X-ray reveals a 400,000-km halo around the comet
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 ...
Recently, astronomers announced the results of a study using data collected with NASA’s Chandra X-ray Observatory of two comets — C/2012 S1 (also known as “Comet ISON”) and C/2011 S4 (“Comet PanSTARRS ...
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