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 every weekday. 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 dwarf planet Quaoar has a ring that is too big for its metaphorical fingers. While all other rings in the solar system lie within or near a mathematically determined distance of their parent ...

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.

Earlier this year, astronomers announced that a tiny world beyond Neptune with a diameter about one-third that of Earth’s moon possessed a Saturn-like ring that should not be there. It now turns out ...

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 ...