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Habitability is the conformance of a residence or abode to the implied warranty of habitability. [ circular definition ] A residence that complies is said to be habitable . It is an implied warranty or contract, meaning it does not have to be an express contract , covenant , or provision of a contract .
The habitability of natural satellites is the potential of moons to provide habitats for life, though it is not an indicator that they harbor it. Natural satellites are expected to outnumber planets by a large margin and the study of their habitability is therefore important to astrobiology and the search for extraterrestrial life .
Planetary habitability is the measure of a planet's or a natural satellite's potential to develop and maintain an environment hospitable to life. [1] Life may be generated directly on a planet or satellite endogenously.
It is mostly based on estimates of habitability by the Habitable Worlds Catalog (HWC), and data from the NASA Exoplanet Archive. The HWC is maintained by the Planetary Habitability Laboratory at the University of Puerto Rico at Arecibo. [1] There is also a speculative list being developed of superhabitable planets.
Pages in category "Planetary habitability" The following 17 pages are in this category, out of 17 total. This list may not reflect recent changes. ...
The habitability of F-type systems may be impaired, though, by the fact that they make up only 3% of the stars in the Milky way, compared to 6–8% for G-types, 12–13% for K-types, and ~70% for red dwarfs. Further study is required to make decisive conclusions about the frequency of habitable planets around F-type stars. [3] [5]
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.
Target Selection for SETI: 1. A Catalog of Nearby Habitable Stellar Systems, Turnbull, Tarter, submitted 31 Oct 2002 (last accessed 19 Jan 2010); Target selection for SETI. II. Tycho-2 dwarfs, old open clusters, and the nearest 100 stars Archived 2008-08-21 at the Wayback Machine, by Turnbull and Tarter, (last accessed 19 Jan 2010)