New research on K2-18B Gases Ocean and Life identify

New research on K2-18B Gases Ocean and Life identify

NASA’s James Webb Space Telescope has discovered evidence of possible life on a distant planet in space.
The telescope has identified a possible molecule called dimethyl sulfide (DMS). At least on Earth, this compound is produced only by living things.
The detection of these gases likely means that the planet K2-18b has an ocean of water.

See about the results
If confirmed, it would be a big thing and I feel a responsibility to do it right if we are making such a big claim,” he said.
This is the first time astronomers have identified the possibility of DMS in a planet orbiting a distant star.

But they are cautious about the results because a similar claim was made in 2020 about the presence of phosphine gas, possibly produced by organisms in the clouds of Venus, but the claim was disputed a year later.

Nevertheless, Dr. Robert Massey, deputy director of the Royal Astronomical Society in London, says he is excited by the results. They are not involved in this research.

We are slowly moving towards the point where we will be able to answer the big question of whether we are alone in the universe or not,” he said.
He added, “I am hopeful that one day we will find signs of life.” It may be that in 10 or 50 years we will have evidence that is very compelling and clear.’

The James Webb Space Telescope analyzes light passing through the atmospheres of distant planets. This light contains the chemical signatures of molecules in the environment. This light is broken down into its component frequencies to obtain their details, much like passing light through a prism to create a series of rainbow colors.

If some of the sequences are missing after the split, it means the planet’s atmosphere absorbed those chemicals, and that way researchers can figure out its composition. This feat is all the more remarkable because the planet is more than 1.1 million billion kilometers away, so the amount of light reaching space telescopes is very small.

Along with DMS, spectral analysis has indicated with considerable confidence the abundant presence of methane and carbon dioxide gases.
The ratio of carbon dioxide to methane is consistent with an ocean beneath a hydrogen-rich atmosphere. NASA’s Hubble Telescope first detected the presence of water vapor here.

Signs of life on the planet K2-18
The presence of signs of life in any planet depends on its temperature, the presence of carbon and liquid water on it. Analysis by the James Webb Telescope shows that K2-18b meets all these conditions. However, if a planet is capable of supporting life, it does not mean that life exists there. That is why DM’s presence on this planet is so interesting.

What makes this planet even more interesting is that it is not an Earth-like planet. That is, it is not rocky like other planets where life is likely to exist. K2-18b is nine times the mass of Earth. Exoplanets are planets that orbit other stars. They are between Earth and Neptune in size and are unlike any other planet in the solar system.

Dr Subhajit Sarkar of Cardiff University, who is a member of the review team, says that this means that we do not fully understand these ‘sub-Neptunes’ and their environments.”This type of planet does not exist in our solar system, but sub-Neptunes are by far the most common planets in our galaxy,” he said.
So far we have obtained the most details of any such sub-Neptune, and because of this we have been able to examine the molecules on it.

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