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Sep 6, 2020 · A new map created by a Reddit user - based on what we know about the highs and lows on Venus' surface - shows what this neighboring, cloud-shrouded, blazing hot planet might look like with oceans...
May 6, 2024 · Planetary scientists at CU Boulder have discovered how Venus, Earth’s scalding and uninhabitable neighbor, became so dry. The new study fills in a big gap in what the researchers call “the water story on Venus.”
Venus lost almost all of its water. As the planet warmed (probably due to the warming Sun and an increase in CO2 in the atmosphere), more water evaporated. Water vapor is a strong greenhouse gas, so this contributed to the runway greenhouse.
Venus lacks water, which makes crustal rock stronger and helps preserve surface features. The features observed provide evidence for the geological processes at work. Twenty feature types have been categorized thus far.
The close similarities of early Venus and Earth, and their very different fates, provide a kind of test case for scientists who study planet formation. Similar size, similar interior structure, both harboring oceans in their younger days.
Oct 20, 2021 · Venus is an ideal test-case for examining how plate tectonics or some other type of crustal movement persists or disappears on big, rocky planets with atmospheres and a changing (but large) budget of both crustal and surface water. Another key mystery about the surface of Venus is volcanism.
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A runaway greenhouse effect turned all surface water into vapor, which then leaked slowly into space. The present-day surface of volcanic rock is blasted by high temperatures and pressures. Asked if the surface of Venus is likely to be life-bearing today, we can give a quick answer: a hard “no.”
