Sentences with phrase «day liquid ocean»
Not exact matches
Because Charon's modern - day surface is mostly water ice, it makes sense that the 1212 - km - diameter moon once had a subsurface ocean kept liquid by heat from the radioactive decay of elements in its core, as well as by the heat generated from collisions of smaller bits when the moon first accumulated.
http://www.sciencemag.org/
Contrary to the toxic hellscape that is present - day Venus, the planet might have had temperate, Earth - like temperatures and liquid water oceans 3 billion years ago, Gizmodo reports.
«We found that tidal heating can be a tipping point that may have preserved oceans of liquid water beneath the surface of large TNOs like Pluto and Eris to the present day,» said Wade Henning of NASA Goddard and the University of Maryland, College Park, a co-author of the study.