Undiscovered Country - How Many More Plutos Are There? | Video

Pluto may only be the beginning of NASA New Horizons exploration of the Edgeworth-Kuiper Belt. Project scientists Alan Stern and Mark Buie explain how the surprising population of Kuiper Belt Objects are time capsules from the formation of our Solar System. -- Complete New Horizons Coverage on Space.com: http://goo.gl/sQE7eD Credit: Space.com / NASA / Produced and Edited by @SteveSpaleta and @CallaCofield