NASA’s SPHEREx mission observes interstellar comet 3I/ATLAS brightening in a surprising solar outburst |
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February 12, 2026
Comets usually disappear quietly after passing by the sun. Interstellar comet 3I/ATLAS did not follow the same path. Instead, it burned dramatically as it began to exit the solar system. NASA’s SPHEREx space telescope captured the burst in December…