Anew studysuggests that it is possible that the planet ’s past tense include unknown bodies of fluid carbon dioxide .
Image : Pioneering Venus / NASA
Venus is ahothellscapethat make it difficult to imagine it ever being covered in the water system that may have been in its atmosphere — the water probably could not have cooled down enough to turn into rain . So now researchers think it ’s potential that the oceans that once flowed on Venus were composed of liquid carbon dioxide .
Space.comexplains :
To see what the effects of supercritical carbon dioxide on Venus might be , [ Dima ] Bolmatov and his colleagues investigate the unusual property of supercritical matter . A great lot remains changeable about such substances , he articulate .
Scientists had by and large thought the physical property of supercritical fluids changed gradually with pressure and temperature . However , in computer simulations of molecular activeness , Bolmatov and his colleagues found that supercritical subject could shift dramatically from gaslike to liquidlike belongings .
The atmospheric insistency on the open of Venus is currently more than 90 clock time that of Earth , but in the early days of the planet , Venus ’ surface pressure could have been 12 of times great . This could have lasted over a relatively farsighted time time period of 100 million to 200 million years . Under such conditions , supercritical carbon dioxide with liquidlike conduct might have formed , Bolmatov said .
“ This in round build it plausible that geologic features on Venus like rift valleys , riverlike seam , and plains are the fingerprint of cheeseparing - surface natural process of liquidlike supercritical carbon dioxide , ” Bolmatov told Space.com .
ScienceSpace
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