There Are Mysterious Objects as Tall as Skyscrapers on Pluto. Now Scientists Know Why!
Methane Ice
It was revealed that the high, bladed terrain was actually large deposits of methane ice. Since the climate of Pluto was constantly fluctuating, the ice would evaporate when the atmosphere warmed and then refreeze, which created their bladed appearance.
What’s even more interesting is that this phenomenon happens on Earth as well.
