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PUNCH (Polarimeter to Unify the Corona and Heliosphere)

Viewing Posts from November 2025

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    NASA’s PUNCH Spies Interstellar Comet 3I/ATLAS

    A round, white object appears at the center of a black-and-white image, with a short tail-like feature extending to the right. Fuzzy black, white, and gray diagonal, parallel stripes fill the background.

    NASA’s PUNCH (Polarimeter to Unify the Corona and Heliosphere) mission observed interstellar comet 3I/ATLAS during its passage through the inner solar system. The mission’s ability to observe areas of the sky near the Sun allowed PUNCH to track the comet as it passed close to our star, when few other observatories could. This image was created from multiple observations taken […]

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