Astronomy & Space
New Updates on the Habitable Zone Coming Soon Last Update: January 7, 2014 Click image for more details, click here for larger version. These are artistic representations of the only known planets around other stars (exoplanets) with any possibility to support life as we know it. Earth, Mars Jupiter, and Uranus are shown for scale in the right side. All are ranked with the Earth Similarity Index (ESI), a measure of Earth-likeness from zero to one, with a value of one being identical to Earth.
Planetary Names: Welcome
The Extrasolar Planets Encyclopaedia
Exoplanet Orbit Database | Exoplanet Data Explorer
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