this post was submitted on 14 Feb 2026
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Astronomers are filling in the blanks of the Kuiper Belt (arstechnica.com)
submitted 1 week ago* (last edited 1 week ago) by supersquirrel@sopuli.xyz to c/space@mander.xyz
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Over the past 30 years, astronomers have cataloged about 4,000 Kuiper Belt objects (KBOs), including a smattering of dwarf worlds, icy comets, and leftover planet parts. But that number is expected to increase tenfold in the coming years as observations from more advanced telescopes pour in.

In particular, the Vera C. Rubin Observatory in Chile will illuminate this murky region with its flagship project, the Legacy Survey of Space and Time (LSST), which began operating last year. Other next-generation observatories, such as the James Webb Space Telescope (JWST), will also help to bring the belt into focus.

“Beyond Neptune, we have a census of what’s out there in the solar system, but it’s a patchwork of surveys, and it leaves a lot of room for things that might be there that have been missed,” says Renu Malhotra, who serves as Louise Foucar Marshall Science Research Professor and Regents Professor of Planetary Sciences at the University of Arizona.

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