Super-cold dwarf stars

An artist's rendering of the planet SPECULOOS-3 b orbiting its sun. The planet is the size of Earth, while its sun is slightly larger than Jupiter, but much more massive. Credit: NASA/JPL-CALTECH

Discovery of an Earth-sized planet orbiting the supercold dwarf star SPECULOOS-3

The SPECULOOS project revealed the existence of an Earth-sized planet around SPECULOOS-3, a nearby star similar in size to Jupiter and twice as cold as our Sun