The Real SETI Signal: Not a Message, but a Molecule

Lifestyle on Venus? That outrageous-sounding possibility understandably manufactured headlines a pair weeks back. In aspect, the news grabbed people’s awareness mainly because Venus appears like this kind of an unlikely location to uncover something alive. The area temperature there averages 460 levels C, and the tension at sea degree is a crushing ninety three moments the atmospheric tension on Earth–other than, of training course, there is no actual sea on Venus.

There was a different startling aspect of the existence-on-Venus story, however: the nature of the proof by itself. There are no rovers rolling throughout Venus. We do not have any samples of Venusian rocks to put beneath the microscope. The search for existence was done from afar applying radio telescopes, and the hints of existence arrived in the sort of an incredibly slight radio shadow indicating the existence of an obscure molecule regarded as phosphine.

Jane Greaves, an astronomer

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