Triton was discovered in 1846 by the British astronomer William Lassell, but much about Neptune’s largest moon still remains a mystery. A flyby by NASA's Voyager 2 spacecraft in 1989 offered a quick ...
This documentary explores the bizarre characteristics of Triton, Neptune’s strange moon that defies the rules of the solar system with its backward orbit and icy geysers.
Planet Y has not been directly observed, but its influence is apparent. Researchers studied roughly 50 icy objects beyond Neptune and found unexpected orbital inclinations.