2023-02-17, 10:28
'Impossible' New Ring System Discovered at the Edge of the Solar System
https://www.scientificamerican.com/artic...ar-system/
Astronomers are puzzled by a ring around the icy dwarf planet Quaoar that is much farther from its parent body than thought possible
https://www.scientificamerican.com/artic...ar-system/