A team of astronomers from Japan has discovered a 2.6-km (1.6 mile) wide object in the Kuiper Belt, a distant region of icy debris that extends far beyond the orbit of Neptune. An artist’s impression of the newly-discovered Kuiper Belt object. Image credit: Ko Arimatsu. Kuiper Belt objects (KBOs) are thought to be remnants of the early Solar System, and their size distribution provides an opportunity to explore the formation and evolution of the...
