Astronomers discover new dwarf planet 'Ammonite' — and it could upend the existence of Planet Nine
When you buy through links on our articles, Future and its syndication partners may earn a commission. The orbit of the newly detected dwarf planet ‘Ammonite’ (2023 KQ14, shown in red) compared to the ...
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Scientists Are Racing to Reach a Mysterious World Before It Disappears for 11,000 Years
It moves through the darkness on a path so long that humans had only begun to farm the first grains when it last came close to the Sun. Sedna, a distant dwarf planet three-quarters the size of Pluto, ...
While for most people Pluto is the most distant planet in the Solar System, things get a lot more fuzzy once you pass Neptune and enter the realm of trans-Neptunian objects (TNOs). Pluto is probably ...
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