Matthew Holman, an astrophysicist at the Center for Astrophysics, found that the Vera C. Rubin Observatory had captured multiple images of 2026 ED138 between March 4 and July 11.
Sources
- Astronomers Just Discovered a New Hidden World Beyond Neptune (nationalgeographic.com)
- https://rubinobservatory.org/news/rubin-first-dwarf-planet-candidate (rubinobservatory.org)
- https://www.cnn.com/2026/10/28/science/ed138-dwarf-planet-candidate-beyond-pluto (cnn.com)
- https://www6.slac.stanford.edu/news/2026-10-27-nsf-doe-vera-c-rubin-observatory-reveals-its-first-dwarf-planet-candidate-our-solar (www6.slac.stanford.edu)
- https://www.cfa.harvard.edu/news/new-dwarf-planet-candidate-discovered-our-solar-system (cfa.harvard.edu)
- https://www.space.com/astronomy/dwarf-planets/astronomers-found-a-mysterious-object-beyond-neptune-and-it-could-be-a-new-dwarf-planet (space.com)
- https://www.astronomy.com/science/rubin-spots-possible-dwarf-planet/ (astronomy.com)
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