Astronomers detect a system of super-Earth planets orbiting Gliese 887

A group of astronomers has discovered a system of super-Earth planets that are orbiting a nearby star called Gliese 887. That star is the brightest red dwarf in the sky. A super-Earth planet is one that has a mass higher than that of the Earth, but substantially lower those than the ice giant planets in our solar system, Uranus and …