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2026-05-11All stories Headlines Search Latest

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Planetary science

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2026-05-10

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White-domed astronomical observatory on a mountain ridge under a clear sky — illustrative imagery of the kind of ground-based stellar-occultation observing site that the NAOJ-led Japanese network used on January 10, 2024 to detect a thin atmosphere on the trans-Neptunian object (612533) 2002 XV93.

2026-05-1010 min read

First atmosphere detected on a 470-km Kuiper Belt object: 2002 XV93's mystery gases shouldn't be there

By Newsorga desk