Home KGHjzaUwy5EsQYZQCW557R-1200-80 KGHjzaUwy5EsQYZQCW557R-1200-80 by Magic of science 5 months ago5 months ago Data from the Pan-STARRS-1 observatory in Hawaii has already narrowed down where Planet Nine may be hiding. (Image credit: Rob Ratkowski / Harvard Center for Astrophysics)