Planets' life-hosting potential ranked
http://www.cbc.ca/news/technology/st...lity-life.html
The following are listed in order from most habitable to least habitable, with their relative PHI score in brackets. Planets outside our solar system are indicated as exoplanets:
1. Earth (0.96)
2. Titan, moon of Saturn (0.64)
3. Mars (0.59)
4. Europa, moon of Jupiter (0.49)
5.
Gliese 581 g, exoplanet (0.45)
6.
Gliese 581 d, exoplanet (0.43)
7. Gliese 581 c, exoplanet (0.41)
8. Jupiter (0.37)
8. Saturn (0.37)
8. Venus (0.37)
11. Enceladus, moon of Saturn (0.35)
12. Io, moon of Jupiter (0.30)
13. Gliese 581 b, exoplanet (0.29)
13.
HD69830 b, exoplanet (0.29)
15.
55 Cancri c, exoplanet (0.26)
15. Neptune (0.26)
15. Uranus (0.26)
18. Ceres, asteroid, dwarf planet (0.23)
19. Triton, moon of Neptune (0.23)
20. Pluto, dwarf planet (0.22)