To ancient explorers, “Ultima Thule” was what lay past the northernmost edges of maps, beyond the borders of the known world. The far-flung space rock is an inhabitant of the Kuiper Belt, the ring of debris that encircles the icy outer reaches of solar system. ( NASA/AFP/JHUAPL/SwRI )Ultima Thule is so dim and so distant that scientists aren’t even certain what it looks like. “No one has ever seen a Kuiper Belt object as anything but a point of light. The Kuiper Belt object was discovered with the Hubble Space Telescope in 2014.

Source: thestar December 30, 2018 15:56 UTC