The planet, which is 13 times bigger than #Earth, is orbiting a star called #LHS3154, which is nine times smaller than the #sun. The planet’s heft is unremarkable in its own right, but its pairing with an ultracool #DwarfStar, the smallest and coldest stars in the universe, has puzzled scientists.

Astronomers spot ‘overweight’ planet that appears too big for tiny host star | #Space | The Guardian
https://www.theguardian.com/science/2023/nov/30/astronomers-spot-overweight-planet-too-big-for-tiny-host-star