Previous related discussions: Second ‘impossible’ ring found around distant dwarf planet - https://news.ycombinator.com/item?id=35762112 https://news.ycombinat

Previous related discussions: Second ‘impossible’ ring found around distant dwarf planet - https://news.ycombinator.com/item?id=35762112 https://news.ycombinator.com/item?id=35762112 - April 2023 (61 comments) Ring discovered around dwarf planet Quaoar confounds theories - https://news.ycombinator.com/item?id=34714024 https://news.ycombinator.com/item?id=34714024 - Feb 2023 (1 comment)