In the far reaches of the solar system, beyond Neptune, there is a minor planet orbiting the sun in a sea of icy debris. Humans have known about the reddish, round object for more than a decade. Since ...
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Does our solar system have a new dwarf planet?
On May 21, the International Astronomical Union's Minor Planet Center announced the discovery of 2017 OF 201, which, because of its distance beyond Neptune, is classified as a trans-Neptunian object ...
Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there, waiting to ...
Astronomers have discovered a new small planet far from Pluto, expanding our understanding of the solar system's far reaches. Nicknamed 2017 OF201, this trans-Neptunian object (TNO) is one of the ...
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