“A dense ring around the trans-Neptunian object (50000) Quaoar well outside its Roche Limit” by B.E. Morgado et al., is published in Nature. DOI: 10.1038/s41586-022-05629-6 More about Cheops ...

Astronomers have discovered a new ring system in our Solar System. The ring system is around a newly discovered dwarf planet, named Quaoar, which is around half the size of Pluto and orbits the ...