Oceans may never have existed on Venus, says new research

Venus whitethorn ne'er person hosted oceans connected its surface, according to caller research.

Despite a technological statement raging for years implicit the past of Venus and whether it ever held liquid oceans, new probe by astrochemists from the University of Cambridge suggests it has ever been dry.

"Two precise antithetic histories of h2o connected Venus person been proposed: 1 wherever Venus had a temperate clime for billions of years with aboveground liquid h2o and the different wherever a blistery aboriginal Venus was ne'er capable to condense aboveground liquid water," said the report's authors Tereza Constantinou, Oliver Shorttle and Paul B. Rimmer.

Ms Constantinou and her colleagues modelled the existent chemic constitution of Venus' ambiance and discovered "the satellite has ne'er been liquid-water habitable".

"Venus contiguous is simply a hellish world," suggests NASA. It has an mean aboveground somesthesia of astir 465C (869F) and a unit 90 times greater than Earth's astatine oversea level, arsenic good arsenic being permanently shrouded successful thick, toxic clouds of sulfuric acid.

In their study, the scientists recovered the planet's interior lacks hydrogen, which suggests it is overmuch drier than Earth's interior.

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Instead of condensing connected the planet's surface, immoderate h2o successful Venus' ambiance apt remained arsenic steam, suggests the research.

Back successful 2016, a squad of scientists moving for NASA's Goddard Institute for Space Studies (GISS) successful New York suggested the satellite whitethorn erstwhile person been habitable.

The squad utilized a machine exemplary akin to the benignant utilized to foretell clime alteration connected Earth.

"Many of the aforesaid tools we usage to exemplary clime alteration connected Earth tin beryllium adapted to survey climates connected different planets, some past and present," said Michael Way astatine the time, a researcher astatine GISS and the paper's pb author.

"These results amusement past Venus whitethorn person been a precise antithetic spot than it is today."

Another study, by researchers astatine the University of Chicago past year, suggested that Venus "has been uninhabitable for implicit 70% of its history, 4 times longer than immoderate erstwhile estimates".