Astronomers found a mysterious object beyond Neptune, and it could be a new dwarf planet - Space
Astronomers using the Vera Rubin Observatory have discovered a potential new dwarf planet, designated 2026 ED138, located beyond Neptune. The object is estimated to be between 600 and 1500 kilometers wide, suggesting it is large enough to be spherical.
Why it matters
The discovery of a new dwarf planet expands our understanding of the outer solar system and the composition of the Kuiper Belt.
Solar System Dwarf Planets Astronomers found a mysterious object beyond Neptune, and it could be a new dwarf planet News By Mike Wall Published 28 October 2026 "My first reaction was one of excited disbelief."
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Click for next article Copy link Facebook X Reddit Pinterest Flipboard Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter The powerful Vera Rubin Observatory has spotted what seems to be a dwarf planet circling the sun in the frigid depths beyond Neptune.
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