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...278}}</ref> 11 billion of these estimated planets may be orbiting Sun-like stars.<ref name="LATimes-20131104">{{cite news |last=Khan |first=Amina |title=Mil ...Systems) in 2002. The catalogue was formed by winnowing the nearly 120,000 stars of the larger [[Hipparcos Catalogue]] into a core group of 17,000 "HabStars ...

...nd [[planetesimals]] by nearby stars becomes less likely as the density of stars decreases. Hence the further a planet lies from the Galactic Center or a sp ...ve high radiation levels toxic to complex life. |image2=A Swarm of Ancient Stars - GPN-2000-000930.jpg |width2=150px |caption2=According to Rare Earth, glob ...

...24191033 |pmc=3845182}}</ref> 11 billion of these may be orbiting Sun-like stars.<ref name="LATimes-20131104">{{cite news |last=Khan |first=Amina |title=Mil .../article/pii/S0019103583710109 |title=Habitable Zones around Main Sequence Stars |author1=Kasting, James F. |author2=Whitmire, Daniel P. |author3=Reynolds, ...

...y]], the [[wiktionary:ubiquity|ubiquity]] and [[stellar evolution#Low-mass stars|longevity]] of red dwarfs are positive factors. Determining how the interac ...-around-red-dwarf-stars |title=Life might not be possible around red dwarf stars |publisher=Io9.com |date=2012-01-16 |accessdate=2013-01-19|last = Wilkins|f ...

...h on several planets and moons of the Solar System and on planets of other stars.<ref name="Space-20120329" /> ...24191033 |pmc=3845182}}</ref> 11 billion of which may be orbiting Sun-like stars.<ref name="LATimes-20131104">{{cite news |last=Khan |first=Amina |title=Mil ...

...rst3=Geoffrey W. |title=Prevalence of Earth-size planets orbiting Sun-like stars| url=http://www.pnas.org/content/early/2013/10/31/1319909110 |date=31 Octob ...ife might not have time to emerge on [[planet]]s orbiting them. Very small stars provide so little heat and warmth that only planets in very close orbits ar ...

...molecules from the ionizing effect of [[ultraviolet radiation]] emitted by stars.<ref name=brown_pais95> ...gravitational [[low-energy transfer]] of rocks among the young planets of stars in their [[birth cluster]] is commonplace, and not rare in the general gala ...

...rspective."<ref name=":60" /> METI plans to repeat this process with other stars.<ref name=":62" /> ...ef> because "[a]ny civilization that has the ability to travel between the stars can already pick up our accidental radio and TV leakage.”<ref name=":4">{{C ...

...2008SSRv..135..313P}}</ref> In addition, computer simulations suggest that stars may change their orbits around the galactic center significantly, therefore ...ariety of factors must be accounted for. These include the distribution of stars and spiral arms, the presence or absence of an active galactic nucleus, the ...

...182}}</ref> 11 billion of these estimated planets may be orbiting Sun-like stars.<ref name="LATimes-20131104">{{cite news |last = Khan |first = Amina |title ...less than 1.5 Earth radii were confirmed orbiting in the habitable zone of stars. It was not until 2015 that the first near-Earth sized candidate orbiting a ...

...ems are therefore solitary.<ref>{{cite press release |title=Most Milky Way Stars Are Single |publisher=[[Harvard-Smithsonian Center for Astrophysics]] |date The separation between stars in a binary may range from less than one [[astronomical unit]] (AU) (the av ...

...ergy about [[red giant]] stars and [[White dwarf|white]] and [[red dwarf]] stars could support a time-integrated ''BIOTA'' up to 10⁴⁶ kg-years in ...= Touchstone Books, New York | year = 1999 }}</ref> and other white dwarf stars, can provide energy for life much longer, for trillions of eons.<ref name = ...

...the carbon ion (C+) — are largely the result of [[ultraviolet light]] from stars, rather than other forms of radiation from [[supernovae]] and [[young star] ...ing to the computer studies, this same process may also occur around other stars that acquire planets.<ref name="Space-20120329" /> ...

...planets]] in the [[Circumstellar habitable zone|habitable zones]] of their stars, where [[Extraterrestrial liquid water|liquid water]] can exist. HabEx woul ...concept for a mission to directly image planetary systems around Sun-like stars.<ref name="Mennesson">{{cite web |url=https://cor.gsfc.nasa.gov/copag/aas_j ...

...e of five, when his mother got him a library card. He wanted to learn what stars were, since none of his friends or their parents could give him a clear ans ...answer was stunning. It was that the Sun was a star but really close. The stars were suns, but so far away they were just little points of light&nbsp;... T ...

...ted over the following {{val|200|u=years}}, but most were determined to be stars in the vicinity. Alex Alemi's and [[David J. Stevenson|David Stevenson]]'s ...reflected in the ocean.|Venus is always brighter than all other planets or stars as seen from Earth. The second brightest object on the image is Jupiter.]] ...

...HabCat list that are within 100 light years of Earth.<ref>{{cite web|title=Stars and Habitable Planets|url=http://www.solstation.com/habitable.htm|accessdat ...tle=Astronomer Margaret Turnbull: A Short-List of Possible Life-Supporting Stars|url=http://www.aaas.org/news/releases/2006/0218habitable.shtml|publisher=[[ ...

== Top 10 target stars == ...ref>[http://sco.stsci.edu/starvault/index.php?sort=rank TPF C's Top Target Stars]{{dead link|date=November 2017 |bot=InternetArchiveBot |fix-attempted=yes } ...

...nasa.gov/research/features/201504_nexss/part2.html Part II: Looking to the Stars]". NASA. GISS. Retrieved April 25, 2015.</ref><ref name="AST-2008">{{cite j ..._aerospace_stars_harvard_mit_off_unprecedented NASA leaves local aerospace stars Harvard, MIT off ‘unprecedented’ mission to find extraterrestrial life]." ' ...

...the size of Earth, orbiting in a habitable zone. Of these eight, six orbit stars that are similar to the Sun in size and temperature. Three of the newly co ...[[Origin of water on Earth]].{{cn|date=May 2018}} Given that many types of stars are thought to blow volatiles from the system through the photoevaporation ...