Discovery of phosphine in Venus’ atmosphere could be sign of life

James Clerk Maxwell Telescope…1 of 2 used to detect phosphine on Venus

With phosphine in mind, an international team of researchers used two ground-based telescopes — the James Clerk Maxwell Telescope in Hawaii and the Atacama Large Millimeter Array in Chile — to search for any possible signatures of phosphine in Venus’ atmosphere. Sure enough, they found the gas at a concentration of five to 20 parts per billion in the atmosphere. That’s a lot when you compare it to how much is found on Earth, where the gas is concentrated in parts per trillion and parts per quadrillion. “That is all very much evidence pushing towards this exotic explanation of something replenishing it and something making it at large quantities,” says Clara Sousa-Silva…

If the phosphine detection is confirmed, then people will set to work figuring out where it’s coming from. It may turn out that life isn’t even the best explanation. The phosphine may have been found in clouds with moderate temperatures, but the area is still a ghastly place for life to survive, even for the hardiest of microorganisms. “There’s nothing definitive saying it is biology,” Rakesh Mogul, a biological chemist at California State Polytechnic University focusing on extreme microbial life, who is not involved in the study, tells The Verge. “There’s still a lot of unknowns. And it’s nice to put biology as the answer, but really, as scientists, we need to back it up and make sure we exhaustively study all the other possibilities.”

Nice to see scientists in charge of this information gathering and analysis. Imagine the hullabaloo if our politicians had authority over this research.