Hubble Space Telescope image of interstellar comet 3I/ATLAS on July 21, 2025. The comet appears as a teardrop-shaped, bluish cocoon of dust (coma) around its solid icy nucleus, with a faint tail. Streaks in the image are background stars blurred by Hubble tracking the fast-moving comet science.nasa.gov science.nasa.gov. Discovery and Naming of 3I/ATLAS The comet…
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