Astronomers spot 2 intriguing alien worlds around an ultracool star

A global workforce of astronomers has found two new super-Earths orbiting a distant ultracool dwarf star 100 light-years from Earth. The newly noticed exoplanets orbits the second coolest star ever discovered with planets round it. The system’s interior planet, designated LP 890-9b, is about 30% bigger than Earth and quickly orbits the dwarf star in … Read more