Pluto’s Atmosphere May Finally Be Starting to Collapse

Gayoung Lee· Aug 4, 2026 · 8:35 PM UTC ·3 min read · 0 reactions · 0 comments · 2 views

#pluto #atmosphere #finally #starting #collapse

TL;DR · WeSearch summary

Pluto’s orbit around the Sun is a long, elliptical journey that lasts 248 Earth years. Right now, Pluto is gradually traveling farther and farther away from our host star. For a new study published in The Planetary Science Journal, researchers compared this dataset with information gathered from stellar occultations of Pluto, an observational method that uses Pluto’s shadow cast on Earth when a star passes behind the dwarf planet.

Key facts

▪Pluto’s orbit around the Sun is a long, elliptical journey that lasts 248 Earth years.
▪Right now, Pluto is gradually traveling farther and farther away from our host star.
▪For a new study published in The Planetary Science Journal, researchers compared this dataset with information gathered from stellar occultations of Pluto, an observational method that uses Pluto’s shadow cast on Earth when a star passes be

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Canonical URL	https://gizmodo.com/plutos-atmosphere-may-finally-be-starting-to-collapse-2000794537
Publication time	Tue, 04 Aug 2026 20:35:08 +0000
Retrieval time	2026-08-04T20:40:47.040Z
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Opening excerpt (first ~120 words) tap to expand

Pluto’s orbit around the Sun is a long, elliptical journey that lasts 248 Earth years. Right now, Pluto is gradually traveling farther and farther away from our host star. And as it does so, its atmosphere seems to be changing slowly, new findings suggest.cnx.cmd.push(function(){cnx({"playerId":"92b7b46b-43ed-4e0e-b21b-2c999302d9d7","settings":{"advertising":{"macros":{"AD_UNIT":"/23178111854/od.gizmodo.com/article","CHILD_UNIT":"article","POST_ID":"2000794537","POST_TYPE":"post","CHANNEL":"science","SECTION":"space","SUBSECTION":"","CATEGORIES":"space","TAGS":"new-horizons,planetary-science,pluto","NOP":"0"},"timeBeforeFirstAd":0}}}).render("cnx-player-main")}); When New Horizons made its flyby of Pluto in 2015, the spacecraft captured its key physical properties, including atmospheric…

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