• Thumbnail for Habitable zone
    In astronomy and astrobiology, the habitable zone (HZ), or more precisely the circumstellar habitable zone (CHZ), is the range of orbits around a star...
    134 KB (13,716 words) - 15:24, 12 June 2024
  • Thumbnail for Galactic habitable zone
    the galactic habitable zone is the region of a galaxy in which life might most likely develop. The concept of a galactic habitable zone analyzes various...
    25 KB (3,153 words) - 01:32, 9 February 2024
  • Thumbnail for List of potentially habitable exoplanets
    water Galactic habitable zone Goldilocks principle Habitable zone - Life habitable zones Habitability of orange dwarf systems Habitability of natural satellites...
    54 KB (2,860 words) - 12:50, 22 June 2024
  • Thumbnail for Habitability of natural satellites
    atmosphere and geology. Of the natural satellites in the Solar System's habitable zone – the Moon, two Martian satellites (though some estimates put those...
    37 KB (3,721 words) - 13:16, 20 June 2024
  • Thumbnail for Habitability of yellow dwarf systems
    the only ones in which the habitable zone coincides completely with the ultraviolet habitable zone. Since the habitable zone is farther away in more massive...
    35 KB (3,485 words) - 23:02, 3 May 2024
  • Thumbnail for Habitable zone for complex life
    A Habitable Zone for Complex Life (HZCL) is a range of distances from a star suitable for complex aerobic life. Different types of limitations preventing...
    48 KB (5,256 words) - 21:58, 27 June 2024
  • Thumbnail for Planetary habitability
    Environments do not need to contain life to be considered habitable nor are accepted habitable zones (HZ) the only areas in which life might arise. As the...
    112 KB (13,259 words) - 04:05, 10 June 2024
  • Thumbnail for K2-18b
    K2-18b (category Super-Earths in the habitable zone)
    6 times the radius of Earth, with a 33-day orbit within the star's habitable zone. This means it receives about a similar amount of starlight as the Earth...
    41 KB (4,757 words) - 06:54, 27 May 2024
  • Thumbnail for Exoplanet
    zone. In several cases, multiple planets have been observed around a star. About 1 in 5 Sun-like stars have an "Earth-sized" planet in the habitable zone...
    147 KB (15,922 words) - 11:45, 20 May 2024
  • confirmed exoplanet, named TOI-715 b, a super-Earth orbiting in its habitable zone. Another planet in the system is suspected. The star has an apparent...
    8 KB (825 words) - 05:12, 24 June 2024
  • Thumbnail for Planetary system
    Planetary system (redirect from Venus zone)
    difficult to observe. Of particular interest to astrobiology is the habitable zone of planetary systems where planets could have surface liquid water,...
    47 KB (5,444 words) - 00:02, 24 June 2024
  • Thumbnail for Habitability of red dwarf systems
    such as the extreme temperature differences created by one side of habitable-zone planets permanently facing the star, and the other perpetually turned...
    52 KB (6,389 words) - 16:48, 11 March 2024
  • Thumbnail for Kepler-452b
    Kepler-452b (category Super-Earths in the habitable zone)
    01) is a super-Earth exoplanet orbiting within the inner edge of the habitable zone of the sun-like star Kepler-452 and is the only planet in the system...
    18 KB (1,766 words) - 21:27, 22 June 2024
  • Thumbnail for Habitability of K-type main-sequence star systems
    to form on a planet around a K-type main-sequence star. The planet's habitable zone, ranging from 0.1–0.4 to 0.3–1.3 astronomical units (AU),[better source needed]...
    9 KB (900 words) - 07:55, 17 March 2024
  • Thumbnail for Super-Earth
    super-Earths within the Gliese 581 planetary system, both on the edge of the habitable zone around the star where liquid water may be possible on the surface. With...
    62 KB (7,137 words) - 23:41, 18 June 2024
  • Thumbnail for Habitability of F-type main-sequence star systems
    F9.5 concluded that exoplanets/moons around exoplanets orbiting in habitable zones around F-type stars would receive excessive UV damage as compared to...
    12 KB (1,471 words) - 19:39, 23 February 2024
  • TOI-715 b (category Super-Earths in the habitable zone)
    TOI-715 b is a super-Earth exoplanet in the habitable zone of its parent M-type star, TOI-715. The planet is 1.55 times larger than Earth, and is located...
    7 KB (624 words) - 08:03, 20 June 2024
  • Thumbnail for List of multiplanetary systems
    Discovers Habitable Zone Planet in GJ 357 System". SciTechDaily. Archived from the original on 2019-08-01. Retrieved 2019-08-01. "Potentially habitable 'super-Earth'...
    260 KB (8,679 words) - 07:47, 19 May 2024
  • Thumbnail for Planetary habitability in the Solar System
    only current example of a habitable planet. At a distance of 1 AU from the Sun, it is within the circumstellar habitable zone of the Solar system, which...
    47 KB (5,437 words) - 03:18, 3 March 2024
  • Thumbnail for Rare Earth hypothesis
    others, a galactic habitable zone; a central star and planetary system having the requisite character (i.e. a circumstellar habitable zone); a terrestrial...
    103 KB (11,937 words) - 19:56, 27 June 2024
  • planetary habitability is complex and defined by several factors. Being in the habitable zone is not enough for a planet to be habitable, not even to...
    115 KB (13,392 words) - 06:19, 26 June 2024
  • extremely eccentric (0.496) exoplanet in or near the circumstellar habitable zone of the star TOI-2257, 188 light-years away. It is likely a sub-Neptune...
    11 KB (1,243 words) - 17:04, 8 January 2024
  • Thumbnail for Kepler-186f
    Kepler-186f (category Exoplanets in the habitable zone)
    designation KOI-571.05) is an Earth-sized exoplanet orbiting within the habitable zone of the red dwarf star Kepler-186, the outermost of five such planets...
    32 KB (3,073 words) - 15:21, 7 May 2024
  • Thumbnail for Red dwarf
    Gliese 581d, which is also potentially habitable, was discovered. Gliese 581c and d are within the habitable zone of the host star, and are two of the most...
    36 KB (4,242 words) - 23:08, 31 May 2024
  • Thumbnail for Kepler-22b
    Kepler-22b (category Exoplanets in the habitable zone)
    Interest designation KOI-087.01) is an exoplanet orbiting within the habitable zone of the Sun-like star Kepler-22. It is located about 640 light-years...
    19 KB (1,839 words) - 21:35, 30 May 2024
  • Thumbnail for TRAPPIST-1
    habitable zone has led to an increase in studies on planetary habitability. The planets are considered prototypical for the research on habitability of...
    179 KB (19,786 words) - 18:30, 17 May 2024
  • Thumbnail for Tau Ceti
    super-Earths—orbiting Tau Ceti, and two of these are potentially in the habitable zone. There is evidence of up to an additional four unconfirmed planets,...
    63 KB (6,885 words) - 06:09, 3 June 2024
  • constellation that hosts TOI-700 d, the first Earth-sized exoplanet in the habitable zone discovered by the Transiting Exoplanet Survey Satellite (TESS). The...
    15 KB (1,257 words) - 21:08, 30 March 2024
  • Thumbnail for HD 219134
    orbit inside the habitable zone. The planet candidate HD 219134 g may orbit slightly interior to the inner edge of the habitable zone based on its initially...
    18 KB (1,215 words) - 08:21, 18 April 2024
  • Wolf 1069 b (category Near-Earth-sized exoplanets in the habitable zone)
    star Wolf 1069. Being located in the habitable zone of its star, Wolf 1069 b is considered a potentially habitable planet, as well as being the sixth-closest...
    7 KB (730 words) - 22:44, 16 May 2024