This dwarf planet's RINGS shouldn't be possible

Astronomers discovered an "impossible" ring around the dwarf planet Quaoar in the Kuiper belt beyond Neptune's orbit. Quaoar's ring orbits far outside of its Roche limit which is thought to be the maximum distance planetary rings can be stable.

00:00 Introduction
00:47 How Quaoar's rings were discovered
02:39 Rings around small solar system bodies
03:47 Rings are supposed to work in the Roche Limit
04:29 Why Quaoar's ring is so weird
06:08 Resonances
08:40 Collision simulations
11:20 Future occultations and JWST?
12:13 Thank you Patrons!

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🧭 References:
Morgado et al 2023: https://www.nature.com/articles/s4158...
Morgado et al 2022: https://arxiv.org/abs/2208.06204
Chariklo's ring discovery (Braga-Ribas et al. 2014): http://www.eso.org/public/archives/re...

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