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A possible new dwarf planet skirts the solar system’s edge

Summary by Science News
For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

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New dwarf planet potentially discovered at edge of solar system

Researchers found the object named 2017 OF201 while searching for "Planet Nine" - a hypothetical planet thought to exist beyond Neptune

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Science NewsScience News
Center

A possible new dwarf planet skirts the solar system’s edge

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

·United States
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leprogres.frleprogres.fr

Space. Planet or Dwarf Planet: How Are These Categories Defined?

What is a planet? For centuries, the answer seemed so obvious that astronomers had not thought too much about it. Transneptunian objects forced them to seriously ask themselves the question.

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Science News broke the news in United States on Friday, June 6, 2025.
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