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Deep Dive: A 1,000-mile cloud on Mars may reveal physics never seen in nature

Ran in the 1:05 PM edition of LivePulse, Saturday, October 24, 2026
Original reporting: Ars Technica Space · Tereza Ondráčková, wired.com, 2026-10-24

Every morning during the Martian spring and summer, a thin and extremely long cloud emerges, only to disappear again. The wispy formation appears near the volcano Arsia Mons and gradually elongates until it reaches over 1,000 miles—about the distance from New York to Kansas City as the crow flies—before dissipating. This cycle then repeats for several months.

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