In the cold, distant reaches of the Solar System, far beyond Pluto, astronomers have just identified what could be a new dwarf planet. It's called 2017 OF 201, a rock that appears to be some 700 ...
Today In The Space World on MSN
Earth to Pluto: Experiencing the true scale of our solar system
Take a mind-expanding tour across our solar system, from Earth to Pluto, learning the staggering distances, travel times, and ...
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