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The hypothesis paper in 2020 has suggested the microbial life of Venus may have a two-stage life cycle. The metabolically active part of such a cycle would have to happen within cloud droplets to avoid a fatal loss of liquid.
Sep 14, 2020 · Based on our understanding of life on Earth, Venus would be among the last places in the Solar System you'd look to find living creatures. But an international team of scientists has just made a detection that might - just might - be a biosignature.
Sep 19, 2020 · In this narrative, life emerged on Earth, Venus and Mars back when all three worlds were flush with water. When Mars dried out and froze, the microbes went underground, where they wait to...
Nov 10, 2020 · Persistent, dark streaks in Venus’s clouds, where temperatures and pressure are more congenial, also prompt intriguing speculation: Could they be wind-whipped bands of microbial lifeforms? A recent study even suggested the presence of one potential life sign, a gas called phosphine, in the Venusian atmosphere.
The thermodynamic availability of water (water activity) strictly limits microbial propagation on Earth, particularly in hypersaline environments, and there are indications that the brine ionic strength is a barrier to the habitability of Mars.
Jul 28, 2023 · Although orbiters can teach us a lot about a planet, to search for signs of past life we need to take a much closer look. On Mars, we look for past microbial life by sending rovers like Curiosity and Perseverance to analyze rock samples. But Venus is a much more difficult place to explore on the surface.
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Sep 14, 2020 · Viewing Venus as a relatively unlikely candidate for hosting life, astronomers have long searched for evidence of life elsewhere, such as on Mars and Jupiter’s icy moons, the Times notes.
