Board Thread:Naruto Discussions/@comment-26127155-20150326052215/@comment-6769189-20150417194108

Well Madara said the Otsutsuki clan had been at war with other humans Hagoromo said she came to the land, not planet. The series has never used world in the planetary sense before. If you can confirm the type of "world" used then I'll accept it but the translation here is the only one I've seen referenced the planet.