NASA Reveals 'True Colors' of Pluto in Astonishing Photos

In January 2006, the National Aeronautics and Space Administration's (NASA's) interplanetary space probe, New Horizons, was launched and in 2015 became the first spacecraft to visit Pluto and explore the Kuiper Belt Orbit (KBO). The KBO - originally named Ultima Thule - is a disc-shaped region extending to the outer solar system.