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Why the outer solar system is filled with giant cosmic “snowmen”
General • February 23, 2026
Far
beyond Neptune, in the
frozen depths of the Kuiper Belt, many
ancient objects oddly resemble giant snowmen made of ice and rock. For years, scientists wondered how these delicate two-lobed shapes could form without violent collisions tearing them apart. Now researchers at Michigan State University have recreated the process in a powerful new simulation, showing that simple gravitational collapse can naturally produce these cosmic “snowmen.”
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