A team looking at the dynamics of objects in the Kuiper belt, the ring-shaped region of icy bodies well beyond the orbit of Neptune, believe they have found evidence for a "very old, undisturbed structure" in our Solar System. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

While the Oort Cloud , thought to be between 5,000 and 100,000 astronomical units (AU) from the Sun, remains hypothetical, we have observed over 3,100 objects in the Kuiper belt, the home of Pluto , Makemake , Eris , and Arrokoth .

"The Kuiper Belt is located in the outer reaches of our solar system beyond the orbit of Neptune. It's sometimes called the 'third zone' of the solar system. Astronomers think there are millions of small, icy objects in this

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