The discussions show enthusiasm for the research, with comments highlighting models suggesting land planets could sustain water better and resist freezing, which could influence future climate models. Words like 'wider habitable zones' and 'resist freezing' demonstrate interest, while references to Earth's future and planetary models indicate a significant potential impact.
AgreementModerate agreement
Most discussions acknowledge the findings, especially the idea that land planets have wider habitable zones and could avoid runaway greenhouse scenarios, indicating moderate to strong support.
InterestHigh interest
The discussions display curiosity and engagement with the concept of habitable zones for dry planets, suggesting a high level of interest.
EngagementModerate engagement
Posters reference the specific research, referring to models, implications for Earth’s future, and other planets like Venus, showing thoughtful engagement.
ImpactModerate impact
Given the focus on planetary habitability and climate implications, the discussions hint at meaningful impacts on our understanding of planetary science and climate resilience.
Abstract in brief
Land planets with limited water have wider habitable zones than Earth-like aqua planets because they can emit more radiation at their inner edge and resist freezing at their outer edge.
Numerical models suggest that land planets can maintain liquid water at higher insolation levels and resist global freezing better than aqua planets, especially at the poles.
As the Sun brightens over time, Earth might lose most of its hydrogen and transform from an aqua planet into a land planet without undergoing a runaway greenhouse, and Venus may have been habitable as a land planet around 1 billion years ago.
An exploration of possible inhabited planets different from earth but within their stars habitable zone. Land planets with limited water have wider habitable zones and can maintain liquid water at higher insolation…
This video explores how land planets with limited water have broader habitable zones than Earth-like aqua planets, potentially maintaining liquid water at higher insolation levels and resisting freezing, informing the…
10.1089/ast.2010.0545. Crossref · PubMed · Web of Science · Google Scholar. 37. A. Zsom, S. Seager, J. de Wit, http://arxiv.org/abs/1304.3714 (2013). Google ...
The future life span of Earth's oxygenated atmosphere | PDF
News
Astrobiology 11, 443-460, doi:10.1089/ast.2010.0545 (2011). 66 Krissansen-Totton, J., Arney, G. N. & Catling, D. C. Constraining the climate and ocean pH of the ...