Hubble spots liquid water on a super-Earth 110 light-years away
See the original posting on TechCrunch
Water is not uncommon to find in our galaxy in ice or gaseous form, but liquid water is quite rare and liquid and gaseous water on an Earth-like exoplanet? That’s never been observed… until now. Astronomers spotted this celestial unicorn, called K2-18 b, using the venerable Hubble space telescope.