Results 11 to 20 of about 81,735 (293)

Setting the Stage for Habitable Planets [PDF]

open access: yesLife, 2014
Our understanding of the processes that are relevant to the formation and maintenance of habitable planetary systems is advancing at a rapid pace, both from observation and theory.
Guillermo Gonzalez
exaly   +8 more sources

The Abundance of Belatedly Habitable Planets and Ambiguities in Definitions of the Continuously Habitable Zone

open access: yesThe Astrophysical Journal, 2023
A planet’s history dictates its current potential to host habitable conditions and life. The concept of the continuously habitable zone (CHZ) has been used to define the region around a star most likely to host planets with long-term habitability ...
Noah W. Tuchow, Jason T. Wright
doaj   +2 more sources

Circumbinary Habitable Zones in the Presence of a Giant Planet

open access: yesFrontiers in Astronomy and Space Sciences, 2021
Determining habitable zones in binary star systems can be a challenging task due to the combination of perturbed planetary orbits and varying stellar irradiation conditions.
Siegfried Eggl, Nikolaos Georgakarakos
exaly   +3 more sources

Geophysical and Atmospheric Evolution of Habitable Planets [PDF]

open access: yesAstrobiology, 2010
The evolution of Earth-like habitable planets is a complex process that depends on the geodynamical and geophysical environments. In particular, it is necessary that plate tectonics remain active over billions of years. These geophysically active environments are strongly coupled to a planet's host star parameters, such as mass, luminosity and activity,
Lammer, Helmut   +43 more
openaire   +7 more sources

Prospects for the characterization of habitable planets [PDF]

open access: yesComptes Rendus. Physique, 2023
With thousands of exoplanets now identified, the characterization of habitable planets and the potential identification of inhabited ones is a major challenge for the coming decades.
Mazevet, Stephane   +5 more
doaj   +2 more sources

Eccentricity formation and habitable planets in OGLE-06-109L system

open access: yesEPJ Web of Conferences, 2011
Recent observation of microlensing technique reveals two giant planets at 2.3 AU and 4.6 AU around the star OGLE-06-109L. We investigate the eccentricity formation of these two planets, and find that planetary scattering or resonance crossing may be the ...
Zhou J.-L., Wang S.
doaj   +2 more sources

Planets in habitable zones: [PDF]

open access: yesAstronomy & Astrophysics, 2003
The recently discovered planetary system in the binary GamCep was studied concerning its dynamical evolution. We confirm that the orbital parameters found by the observers are in a stable configuration. The primary aim of this study was to find stable planetary orbits in a habitable region in this system, which consists of a double star (a=21.36 AU ...
Dvorak, Rudolf   +3 more
openaire   +4 more sources

General Relativity Can Prevent a Runaway Greenhouse on Potentially Habitable Planets Orbiting White Dwarfs

open access: yesThe Astrophysical Journal
Planets orbiting in the habitable zones of white dwarfs have recently been proposed as promising targets for biosignature searches. However, since the white dwarf habitable zone resides at 0.01–0.1 au, planets residing there are subject to tidal heating ...
Eva Stafne, Juliette Becker
doaj   +2 more sources

Exoplanets around Red Giants: Distribution and Habitability

open access: yesGalaxies, 2023
As the search for exoplanets continues, more are being discovered orbiting Red Giant stars. We use current data from the NASA Exoplanet Archive to investigate planet distribution around Red Giant stars and their presence in the host’s habitable zone.
Ruixuan E. Chen   +4 more
doaj   +1 more source

Extended Habitability of Exoplanets Due to Subglacial Water

open access: yesThe Astronomical Journal, 2023
Considering subglacial liquid water, a significant extension of the classical Habitable Zone is obtained. Elaborating on the model of Wandel it is shown how an atmosphere and liquid water could survive on tidally locked planets closely orbiting an M ...
Amri Wandel
doaj   +1 more source

Home - About - Disclaimer - Privacy