Space Daily September 01, 2026 • 16:30

Pluto’s atmosphere has probably persisted in some form for millions of years, but observations suggest its pressure fell 16% between mid-2021 and July 2023. With Pluto continuing away from the Sun until 2114, astronomers may be witnessing the beginning - Space Daily

Stellar occultations suggest Pluto’s long pressure plateau is ending as nitrogen gas begins condensing back onto its frozen surface.

Pluto may be losing part of its sky to the ground beneath it.
A 2026 study in The Planetary Science Journal reports that the dwarf planets atmospheric pressure appears to have begun falling after a … [+10198 chars]

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Pluto’s atmosphere has probably persisted in some form for millions of years, but observations suggest its pressure fell 16% between mid-2021 and July 2023. With Pluto continuing away from the Sun until 2114, astronomers may be witnessing the beginning - Space Daily

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