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A long-lost rogue planet could explain unexpectedly distant asteroids


The outer photo voltaic system holds some chunks of ice and rock that orbit so removed from the solar it’s laborious to think about how they received there – however an historic rogue planet might maintain the important thing



Space



1 October 2022

The Kuiper belt is a disc of chilly rocks and ice in our photo voltaic system

Getty Pictures/iStockphoto/Ahmad Sarem

A rogue planet twice the scale of Earth might have pushed asteroids into the outer reaches of the early photo voltaic system earlier than it was ejected. This might resolve the thriller of how a few of the most distant objects within the Kuiper belt received there, which can’t be defined by most fashions of photo voltaic system formation.

The Kuiper belt is a large disc of chilly rocks and ice that extends out past the orbit of Neptune. …



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