Nasa’s James Webb Space Telescope may have discovered tentative evidence of a sign of life on a faraway planet.
It may have detected a molecule called dimethyl sulphide (DMS). On Earth, at least, this is only produced by life.
The researchers stress that the detection on the planet 120 light years away is “not robust” and more data is needed to confirm its presence.
Researchers have also detected methane and CO2 in the planet’s atmosphere.
Detection of these gases could mean the planet, named K2-18b, has a water ocean.
Prof Nikku Madhusudhan, of the University of Cambridge, who led the research, told BBC News that his entire team were ‘‘shocked’’ when they saw the results.
“On Earth, DMS is only produced by life. The bulk of it in Earth’s atmosphere is emitted from phytoplankton in marine environments,” he said.
But Prof Madhusudhan described the detection of DMS as tentative and said that more data would be needed to confirm its presence. Those results are expected in a year.
‘‘If confirmed, it would be a huge deal and I feel a responsibility to get this right if we are making such a big claim.’’
It is the first time astronomers have detected the possibility of DMS in a planet orbiting a distant star.
If it’s confirmed, it will be the biggest news in history.
Just look at the evidence
I think it’ll at least deserve a gold star, not silver.
Sadly, I think you overestimate the general interest there would be in such an announcement. Also, it is not as though we will be getting images of little green aliens, any evidence will be far more circumstantial, tentative and over many years. It will be hard to sustain any public excitement for that long.
Both of you are right. The general public will give this a passing interest at best since it’s not roswell greys or some shit… but this would still be the biggest news in history if confirmed. As far as “big scientific questions still unanswered” goes, actual confirmation of extraterrestrial life existing is only 1 tier of holy-shitness down, imo, from things like fully understanding consciousness or dark matter.
For most of history humanity thought we were alone, and even now(or till now if this is confirmed I guess) the “official” stance is still only “there’s no evidence but the universe is so incomprehensibly large there probably is something, y’know, somewhere. Maybe.”
“Possible microbial life hundreds of light years away” isn’t nearly as fun as “They’re here and they have infinite energy devices.”
Don’t think we’ll ever be able to “confirm” it the same way we can confirm if there’s/was life on Mars, Venus, Europa, etc.
It’s just too far away
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