
By Jason McClellan
Researchers at the University of Puerto Rico at Arecibo’s Planetary Habitability Laboratory (PHL) recently published a list, ranking the top five potentially habitable alien worlds. These five Earth-like planets are Gliese 667Cc, Kepler-22b, HD85512, Gliese 581d, and Gliese 581g. Gliese 581g tops the list as the best candidate so far of a potential habitable exoplanet. But some scientists aren’t completely convinced that Gliese 581g even exists....
Image credit:The Habitable Worlds Exoplanets Catalog, PHL @ UPR Arecibo
Source












