Hydrosphere

Eggshell exoplanets: rocky worlds with ultra-thin brittle lithospheres could theoretically exist

The thickness of the fragile lithosphere – the outer part of a planetary body that fails by fracturing – plays a key role in the geological processes of that body. The properties of a planet and its host star can influence this thickness, and the potential range of these properties …

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Hydrate or Die: Has Venus Ever Been Inhabitable?

Title: Has Venus ever been habitable? Constraints of an interior-atmosphere-redox couple Evolution model Authors: Joshua Krissansen-Totton, Jonathan J. Fortney, Francis Nimmo Institution of the first author: University of California, Santa Cruz Status: Published in the Planetary Science Journal [open access] Where did the water go? (And was that there to …

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Marvel: 8 strong defenders who started weak

The Defenders are affectionately known as the Marvel Non-Team, a bunch of heroes who came together and who stuck together. The team has undergone several roster changes over the years and while not as popular as some of the Marvel teams, they have had some rather powerful members on their …

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Ancient Groundwater – Our Time Press

Why the water you drink can be thousands of years old As surface water recedes in the western United States, people are drilling deeper wells and tapping into older groundwater that can take thousands of years to replenish naturally. Marissa gruneAlain seltzerKevin M. BefusSome of North America’s groundwater is so …

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