Education

Planet X Discovered – Space Time

Will there be 9 planets again? Get your own Space Time t-shirt at http://store.dftba.com/collections/sp… Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Some funky orbits near the Kuiper […]