Four years ago, the unexpected discovery in the clouds of Venus of a gas that on Earth signifies life — phosphine — faced controversy, earning rebukes in subsequent observations that failed to match its findings. Now, the same team behind that discovery has come back with more observations.
The discovery of a possible sign of life in Venus' clouds sparked controversy. Now, scientists say they have more proof
"We had three observation campaigns and in just one run, we got 140 times as much data as we did in the original detection," he said. "And what we've got so far indicates that we once again have phosphine detections.""That is arguably more significant than the discovery of phosphine," he added. "We're a long way from saying this, but if there is life on Venus producing phosphine, we have no idea why it's producing it.
Subsequent studies challenged the results, suggesting that the phosphine was actually ordinary sulphur dioxide. Data from instruments other than those used by Clements' team — such as the Venus Express spacecraft, the NASA Infrared Telescope Facility and the now-defunct SOFIA airborne observatory — also failed to replicate the phosphine findings.
"It showed phosphine inside the clouds of Venus at around the part-per-million level, which is exactly what we have largely been detecting," Clements said. "So it's beginning to hang together, but we still don't know what's producing it." "The exciting thing behind this would be if it's some kind of microbial life making the ammonia, because that would be a neat way for it to regulate its own environment," Greaves said at the Royal Astronomical Society talks. "It would make its environment much less acidic and much more survivable, to the point it's only as acidic as some of the most extreme places on Earth — so not completely crazy.
The findings open new avenues for research, he added, but it's essential to treat them with a healthy dose of skepticism. While detecting phosphine and ammonia in Venus' clouds is exciting, it is just the beginning of a longer journey to unravel the mysteries of that planet's atmosphere, he said. " These missions may provide answers to the questions raised by recent observations," Pattle said, "and will certainly give us fascinating new insights into the atmosphere of our nearest neighbor and its capacity to harbour life."Christa Deguchi has won Canada's first gold medal of the Paris Olympics with a victory in the under-57 kilogram judo event.
In a fresh broadside against one of the world's most popular technology companies, the U.S. Justice Department late Friday accused TikTok of harnessing the capability to gather bulk information on users based on views on divisive social issues like gun control, abortion and religion.A manipulated video that mimics the voice of U.S.
For Jakup Ross, a young teen with high-functioning autism, his lemonade stand has become a community staple, known not only for its refreshing beverages but also for its heartwarming mission.'There's mom and dad's house': New video appears to show destruction of Jasper neighbourhoodFormer First Nations chief voices Disney's first Ojibwe language Star Wars movie
The province says it has set aside more than $100 million to purchase five new helicopters for use by police services in the GTA and Ottawa to help combat auto theft, carjackings, and street racing.Toronto police say a 17-year-old is in custody after a ride-share driver was repeatedly stabbed by a customer during an attempted carjacking last week.Christa Deguchi has won Canada's first gold medal of the Paris Olympics with a victory in the under-57 kilogram judo event.
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