Fastest Known Planetary System May Have Been Pushed by Our Galaxy's Supermassive Black HoleOur solar system is slower compared to a newly discovered planetary system moving at an astonishing 541 kilometers per second.
Earth-sized planet spotted orbiting small star with 100 times sun's lifespanA new Earth-sized planet Speculoos-3b orbits an ultra-cool red dwarf, with days and nights being never-ending due to synchronous rotation.