[Science] Pluto is coloured red by ammonia spewing from underneath its surface – AI

What makes Pluto red?NASA/JHUAPL/SwRI By Leah CraneNASA’s New Horizons spacecraft spotted the signatures of ammonia in ice on the surface of Pluto, which might be responsible for turning parts of its surface red. In space, ammonia doesn’t last long – it is easily broken up by ultraviolet light and charged particles from the sun, as well as cosmic rays from elsewhere in the galaxy. “Ammonia is a fragile molecule in a space environment, so the fact that we see it exposed on the surface means that it was put there recently,” says New Horizons team member Dale …