Results 261 to 270 of about 4,433 (297)

In This Issue. [PDF]

open access: yesProc Natl Acad Sci U S A
europepmc   +1 more source

Moon formation and habitability in the circumplanetary habitable zone

2022
<p>We investigate the efficiency of moon formation around giant planets with numerical N-body simulations and study the habitability of Earth-sized, newly formed moons. Our results show that by the end of the moon formation process the individual mass of moons is higher, if the planet is in a close orbit around the host star. We also find
Vera Dobos, Zoltán Dencs, Zsolt Regály
openaire   +1 more source

Ocean Dynamics and the Inner Edge of the Habitable Zone for Tidally Locked Terrestrial Planets [PDF]

open access: yesAstrophysical Journal, 2019
Recent studies have shown that ocean dynamics can have a significant warming effect on the permanent night sides of 1:1 tidally locked terrestrial exoplanets with Earth-like atmospheres and oceans in the middle of the habitable zone.
Jun Yang, Dorian S Abbot, Yongyun Hu
exaly   +2 more sources

Habitable Zone Limits for Dry Planets

Astrobiology, 2011
Most discussion of habitable planets has focused on Earth-like planets with globally abundant liquid water. For an “aqua planet” like Earth, the surface freezes if far from its sun, and the water vapor greenhouse effect runs away if too close.
Yutaka, Abe   +3 more
openaire   +2 more sources

Continuous Habitable Zones: Pairing a GCM and Bayesian Framework to Predict Habitable Zone Evolution

2022
In the near-future, new space telescopes like JWST, LUVOIR, and HabEx will begin attempting to explore the properties of atmospheres of potentially habitable planets. This will require a significant amount of time and resources for even a single planet, which makes it essential to prioritize observations by those most-likely to have detectable life ...
Austin Ware, Nancy Kiang, Patrick Young
openaire   +1 more source

Expanding the Habitable Zone

Science, 1999
PLANETARY SYSTEMSNew finds on Earth, such as colonies of bacteria deep underground, have suggested that organisms can thrive even if sealed off from the sun, by living on chemical rather than solar energy. Therefore the possible environments for life in space, once restricted to the relatively narrow slice of the solar system inside the martian orbit ...
openaire   +1 more source

The Galactic Habitable Zone

2005
We propose the concept of a "Galactic Habitable Zone" (GHZ). Similar to the circumstellar habitable zone (CHZ), the GHZ is that region in a spiral galaxy where life can exist. The width of the GHZ is controlled by two factors. The inner (closest to the center of the galaxy) limit is set by threats to complex life: nearby transient sources of ionizing ...
openaire   +1 more source

The Habitable Zone: Basic Concepts

2013
The detection of exoplanets has undergone extraordinary growth over the past couple of decades since substellar companions were detected around HD 114762 (Latham et al., 9 1992, and 51 Peg (Mayor and Queloz, 1995. From there, the field rapidly expanded from the exclusivity of exoplanet detection to include exoplanet characterization.
openaire   +1 more source

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