<ul><li>Scientists have discovered a mysterious new object named 2017 OF201, one of the most distant dwarf planets ever found beyond Neptune.</li><li>2017 OF201 is estimated to be 700 kilometers wide, with an extremely stretched-out orbit, taking 1,600 times farther than Earth at its most distant point.</li><li>Its orbit suggests it was likely pushed to the edges of the solar system after close encounters with a giant planet, possibly reaching the Oort Cloud.</li><li>The discovery challenges the existence of Planet Nine and was made using open-access telescope data, hinting at a more crowded outer solar system.</li></ul>

Far beyond Pluto: Scientists spot mysterious new world on solar system’s edge

Discover more