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Feb 3, 2020 · The facile answer is "Venus's atmosphere has many times the mass of Earth's atmosphere because it has many times the amount of gas". Which makes us ask wonder why that is. Many planetary scientists have interpreted the relatively even distribuion of impact craters on the surface of Venus as a sign that the planet was resurfaced in some catastrophic event 500-700 million years ago:
Oct 26, 2023 · If true, that suggests Venus could have been much more like Earth in other ways. The geochemical reactions of plate tectonics could have buried much of the carbon dioxide that makes Venus so ...
Venus is similar in structure and size to Earth, and is sometimes called Earth's evil twin. Its thick atmosphere traps heat in a runaway greenhouse effect, making it the hottest planet in our solar system with surface temperatures hot enough to melt lead. Below the dense, persistent clouds, the surface has volcanoes and deformed mountains.
The hemispheric view of Venus, as revealed by more than a decade of radar investigations culminating in the 1990–1994 Magellan mission, is centered at 180 degrees east longitude. The geology of Venus is the scientific study of the surface, crust, and interior of the planet Venus. Within the Solar System, it is the one nearest to Earth and ...
Apr 7, 2016 · Basically, Venus orbits closer to our Sun and with an eccentricity that is less than one-third that of Earth’s (0.006772 compared to 0.0167086). In addition, Earth’s axis is tilted far more ...
Oct 1, 2018 · Therefore, Venus preserves much more of this early record than Earth, and a much richer record, including spatial clues. In contrast, Earth preserves geochemical clues currently inaccessible from Venus. Collectively, clues from both sisters will provide a more comprehensive understanding of early terrestrial planet geodynamics.
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May 23, 2024 · Venus, our nearest neighbor, should be the most Earth-like of all our planetary siblings. Its size and presumed bulk composition are very similar to those of the Earth. Like Earth, the primordial atmosphere would have been H-dominated from the nebula. Then a secondary atmosphere would have outgassed, with expected large atmospheric abundances ...
