Pluto’s moon has a mysterious red north pole, and we can finally find out why

Pluto's moon has a mysterious red north pole, and we can finally find out why

Pluto’s life partner, Charon, has a disarmingly red “cap.” Ever since New Horizons broke the moonfrom the rust-tinged North Pole during its 2015 flyby, scientists have been looking into the planetary processes responsible for the departure of such a bold landmark. Scientists first suspected that the iron-colored smear (dubbed Mordor Macula) was methane captured on … Read more