#planetesimal-formation

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#kuiper-belt #contact-binaries #new-horizons #arrokoth #gravitational-collapse
OMG science
fromwww.scientificamerican.com
3 hours ago

The Kuiper Belt is packed with weird peanut-shaped objects. Astronomers think they know why

Many kilometer-scale Kuiper Belt objects are bilobed contact binaries formed by gentle mergers, revealing probable planetesimal formation pathways.
Science
fromwww.theguardian.com
3 hours ago

Simulations shed light on how snowman-shaped body in Kuiper belt may have formed

Gravitational collapse of rotating pebble clouds can produce double-lobed, snowman-like planetesimals like Arrokoth, explaining their shape and formation non-violently.
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