Just on the outskirts of our solar system exists the dwarf planet Quaoar, and recent observations of the planet found a dense ring around it, but scientists can't figure how – or why – it's there.

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Scientists have discovered a ring system around a small object ...

The dwarf planet Quaoar, which sits beyond Neptune in our solar system, appears to have a ring of debris around it that is much further out than was thought possible. “We have observed a ring that ...

The European Space Agency’s CHEOPS telescope usually searches for planets outside our solar system, but recently it made a discovery closer to home: a large ring around the dwarf planet Quaoar which ...

The odd dwarf planet Quaoar might have a brand-new moon. Observations of the tiny world, made by a pair of astronomers in California, suggest it possesses either a second satellite or a third ring.

What makes Quaoar’s ring unique, however, is where it is found relative to Quaoar itself. The Roche limit Any celestial object with an appreciable gravitational field will have a limit within which an ...