Cracks in Pluto’s moon could indicate it once had an underground ocean

Cracks in Pluto’s moon could indicate it once had an underground ocean

If the icy surface of Pluto's giant moon Charon is cracked, analysis of the fractures could reveal if its interior was warm, perhaps warm enough to have maintained a subterranean ocean of liquid water, according to a new NASA-funded study.Pluto is an extremely dista