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The Solar System May Have a 6th Dwarf Planet
Astronomers have identified a new dwarf planet candidate beyond Pluto, potentially making it the sixth recognized dwarf planet in our solar system.
Dwarf Planet
10 trends tracked about this subject — the full history, oldest to newest below.
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Scientists discover massive dwarf planet lurking in the outer solar system
A new massive dwarf planet has been spotted on the fringe of our solar system, prompting fresh excitement among astronomers.
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Trans-Neptunian planet candidate hailed as "enormous new dwarf"
An enormous new dwarf planet candidate has been identified in the trans-Neptunian region, according to recent science reporting.
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Astronomers found a mysterious object beyond Neptune, and it could be a new dwarf planet
Astronomers at the Rubin Observatory have detected a mysterious object beyond Neptune that may be a new dwarf planet.
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Astronomers found a mysterious object beyond Neptune, and it could be a new dwarf planet
Astronomers discover a mysterious, planet-like object beyond Pluto, sparking widespread scientific interest.
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Rubin Observatory reveals its first dwarf planet candidate in our solar system
Rubin Observatory’s first dwarf‑planet candidate, 2026 ED138, emerges beyond Pluto, hinting at a hidden world family.
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A New Dwarf Planet (Probably) Spotted Beyond Pluto
Astronomers using the Rubin Observatory have identified ED138, a potentially massive dwarf planet candidate located beyond the orbit of Pluto.
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Potential new dwarf planet found by Harvard astrophysicists
The Vera C. Rubin Observatory has identified a potential sixth dwarf planet located in the outer reaches of our solar system beyond Pluto.
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🔮 fades ✓
It's been 20 years since Pluto lost planet status. Will it ever get its title back?
4 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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🔮 holds ✗
20 years after Pluto was made a dwarf planet, some still can’t let go
Two decades after Pluto's reclassification as a dwarf planet, scientists and the public are revisiting the debate over what constitutes a planet.