7/6/2023 0 Comments The pale blue dot![]() ![]() “We Earthlings enjoy the balance between land areas and oceans on our home planet. Barely one percent of the outcomes had an Earth-like distribution of land and water. ![]() Results from their models suggest that planets have approximately an 80 percent probability of being mostly covered by land, with 20 percent likely to be mainly oceanic worlds. Tilman Spohn and Dennis Höning studied how the evolution and cycles of continents and water could shape the development of terrestrial exoplanets. The near balance of land-to-water that has helped life flourish on Earth could be highly unusual, according to a Swiss-German study presented at the Europlanet Science Congress 2022 in Granada. ![]() When searching for Earth-like worlds around other stars, instead of looking for the ‘pale blue dot’ described by Carl Sagan, new research suggests that a hunt for dry, cold ‘pale yellow dots’ might have a better chance of success. Earth-like exoplanets unlikely to be another ‘pale blue dot’ ![]()
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