Astronomy
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Astronomy & Space
The Habitable Exoplanets Catalog - Planetary Habitability Laboratory @ UPR Arecibo
The Habitable Exoplanets Catalog (HEC) is an online database for scientists, educators, and the general public focused on potential habitable exoplanets discoveries. The catalog uses various habitability indices and classifications to identify, rank, and compare exoplanets, including potential satellites, or exomoons. The catalog is updated as new data is available. Last Update: March 13, 2013 Click image for more details, click here for larger version. Number of Potential Habitable Worlds