https://www.livescience.com/space/astronomy/1-million-interstellar-objects-each-larger-than-the-statue-of-liberty-may-lurk-in-the-outer-solar-system
New simulations reveal that around 1 million "macroscopic" objects from our closest stellar neighbors, the Alpha Centauri system, may already reside in the Oort Cloud, far from sight.
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