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| This article is one of a series on: |
| Life in the universe |
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| Outline |
| Planetary habitability in the Solar System |
| Life outside the Solar System |
| Habitability of... |
Planetary habitability in the Solar System is the study that searches the possible existence of past or present extraterrestrial life in those celestial bodies. As exoplanets are too far away and can only be studied by indirect means, the celestial bodies in the Solar System allow for a much more detailed study: direct telescope observation, space probes, rovers and even human spaceflight.