The theory that can explain “life” on Venus and how it would have gotten there from Earth

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If there really is life on Venus, it may have come from Earth – aboard an asteroid that collected microbes from our sky and took them into Venus’ atmosphere. At least, this is shown in the latest study.

The discovery of phosphine gas, a potential biomarker, in the atmosphere of Venus made a big splash earlier this month, suggesting that life could exist in Earth-like conditions inside the clouds of Venus.

One work Harvard astronomy department head Avi Loeb and undergraduate student Amir Siraj say the discovery could be associated with massive asteroids passing first through the Earth’s atmosphere, taking on a microscopic life and then laying it in the clouds. of Venus.

It’s still an assumption, but it has a real chance of being plausible

In other words, microbial life could have “hitchhiked” from Earth to Venus, through asteroids orbiting the atmosphere. In fact, scientists show that a lot of asteroids have already made such a trip in their work.

“Although the abundance of terrestrial life in the upper atmosphere is unknown, these microbes that exist in the atmosphere of our planet could have been able to transfer microbial life between the atmosphere of Earth and Venus,” the paper reads. “As a result, the origin of a possible Venusian life may be fundamentally indistinguishable from that of terrestrial life.”

This theory is part of a series of more or less plausible theories that have been circulating lately. Other scientists have suggested that, rather than originating on Earth, possible life forms on Venus could have occurred when Venus was a completely different planet – not the infernal, hot, acid landscape it is now.

Another team, from MIT, suggests that small microbes could go up and down, first falling into drops before being swept back by convection currents inside the clouds of Venus.


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