Results 11 to 20 of about 79,053 (289)
Geophysical and Atmospheric Evolution of Habitable Planets [PDF]
Astrobiology, 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
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On the Habitability of Teegarden’s Star Planets [PDF]
The Astrophysical Journal Letters, 2019 Abstract We study the habitability of the two Earth-mass planets, recently detected by the CARMENES collaboration, around the ultra-cool nearby M-dwarf Teegarden’s Star. With orbital periods of 4.9 and 11.4 days, both planets are likely to be within the habitable zone and
Amri Wandel, Lev Tal-Or
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Dark matter and the habitability of planets [PDF]
Journal of Cosmology and Astroparticle Physics, 2012 9 pages, 3 figures, updated calculations with a larger velocity dispersion for the central portion of the Milky ...
Hooper, Dan, Steffen, Jason H.
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On the interaction between embedded planets and the corotation region of protoplanetary discs [PDF]
, 2015 PhDDisc material in the corotation region librates with respect to low-mass planets on horseshoe trajectories. The exchange of angular momentum associated with this libration gives rise to the non-linear corotation torque (the horseshoe drag).
Fendyke, Stephen
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Habitable Zone Lifetime of Exoplanets around Main Sequence Stars [PDF]
, 2013 Funding: Dean's Scholarship at the University of East Anglia.The potential habitability of newly discovered exoplanets is initially assessed by determining whether their orbits fall within the circumstellar habitable zone of their star.
Claire, M. +3 more
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Life at the end of worlds : modelling the biosignatures of microbial life in diverse environments at the end of the habitable lifetimes of Earth-like planets [PDF]
, 2014 This thesis investigates how increased global mean temperatures on Earth, induced by the increase in the luminosity of the Sun as it ages, change the types of habitable environments on the planet at local scales over the next 3 Gyr.
O'Malley-James, Jack T.
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Emergence of a Habitable Planet
Space Science Reviews, 2007 We address the first several hundred million years of Earth’s history. The Moon-forming impact left Earth enveloped in a hot silicate atmosphere that cooled and condensed over ∼1,000 yrs. As it cooled the Earth degassed its volatiles into the atmosphere. It took another ∼2 Myrs for the magma ocean to freeze at the surface.
Zahnle, Kevin +6 more
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Surrounded by Giants: Habitable Zone Stability Within the HD 141399 System
The Astronomical Journal, 2023 The search for exoplanets has revealed a diversity of planetary system architectures, the vast majority of which diverge significantly from the template of the solar system.
Stephen R. Kane
doaj +1 more source
On the timescale forcing in astrobiology [PDF]
Serbian Astronomical Journal, 2007 We investigate the effects of correlated global regulation mechanisms, especially Galactic gamma-ray bursts (GRBs), on the temporal distribution of hypothetical inhabited planets, using simple Monte Carlo numerical experiments.
Vukotić B., Ćirković M.M.
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A Maximum Radius for Habitable Planets [PDF]
Origins of Life and Evolution of Biospheres, 2015 We compute the maximum radius a planet can have in order to fulfill two constraints that are likely necessary conditions for habitability: 1- surface temperature and pressure compatible with the existence of liquid water, and 2- no ice layer at the bottom of a putative global ocean, that would prevent the operation of the geologic carbon cycle to ...
openaire +3 more sources