Dwarf planet Pluto may be hiding an icy ocean beneath its surface, according to two new reports published by the scientific journal Nature.
원문출처 : http://www.cnn.com/2016/11/16/health/pluto-icy-ocean/index.html
원문출처 : http://www.cnn.com/2016/11/16/health/pluto-icy-ocean/index.html