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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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What If Planet X Was Real?
Some scientists hypothesize that a mysterious, gigantic 9th planet may be lurking at our solar system’s edge. Why haven't we ...
Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious ...
No telescope has basked in the night sky quite like the enormous new Vera Rubin Observatory. Here's what it could reveal ...
Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...