Difference between revisions 909270404 and 910367290 on enwiki

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Circumstellar habitable zone
{{redirect|Goldilocks Zone|the more general principle|Goldilocks principle|the planet first called "Goldilocks"|70 Virginis b}}
{{redirect|Habitable zone|the galactic zone|Galactic habitable zone}}
{{redirect|Comfort zone (astronomy)|other uses|Comfort zone (disambiguation)}}
{{merge from|Habitable Exoplanet|date=November 2018}}
{{short description|Zone around a star with strong possibilities for stable liquid water on a suitable planet}}
(contracted; show full)ife based on [[hypothetical types of biochemistry|alternative biochemistries]] could exist in liquid form at the surface, have been proposed.<ref name=villard-2011>{{cite news|url=http://news.discovery.com/space/planetary-habitable-zones-defined-by-alien-biochemistry-111118.html |title=Alien Life May Live in Various Habitable Zones : Discovery News |publisher=News.discovery.com |date=November 18, 2011 |accessdate=April 22, 2013 |author=Villard, Ray |agency=Discovery Communications LLC}}</ref>


The real question is that, what if Kepler system is related Solar system? Therefore this will conclude that there are 90% of chances that we are not the only ones who are living.⏎
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==History==
An estimate of the range of distances from the Sun allowing the existence of liquid water appears in [[Isaac Newton|Newton's]] ''[[Philosophiæ Naturalis Principia Mathematica|Principia]]'' (Book III, Section 1, corol. 4).<ref>[http://www.17centurymaths.com/contents/newton/book3s1.pdf 3rd Edition (1728), trans Bruce, I]</ref> The concept of a circumstellar habitable zone was first introduced in 1953 by [[Hubertus Strughold]], who in his treatise ''Th(contracted; show full){{authority control}}

[[Category:Search for extraterrestrial intelligence]]
[[Category:Planetary habitability]]
[[Category:Astronomical hypotheses]]
[[Category:Extraterrestrial life]]
[[Category:Articles containing video clips]]
[[Category:Extraterrestrial water]]