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Astronomers believe they’ve detected an atmosphere around a world beyond Pluto (apnews.com)
3 points by jnord 51 days ago
1 comments

In case you are wondering too. From https://en.wikipedia.org/wiki/(612533)_2002_XV93

> 2002 XV93 has a diameter of 470 km (290 mi), which makes it about one-seventh the diameter of Earth's moon and about one-fifth the diameter of Pluto.