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Alien life could be discovered within next three years on 'mini-Neptune' planets

Scientists think we'll know whether alien life exists on the planets within two or three years
Alien life could be discovered within next three years on

Last Updated on August 26, 2021 by MyGh.Online

Alien life may be discovered by humans within the next two or three years after scientists began looking at a whole new set of planets.

University of Cambridge astronomers took a closer look at so-called hycean planets within our solar system, suspecting one in particular might just have the right conditions for alien life.

‘Mini-Neptune’ K2-18b is much bigger than Earth, but is covered with oceans and contains enough heat and hydrogen to sustain life.

But after finding healthy levels of methane and ammonia plus signs of water vapour, scientists are confident K2-18b could contain untold secrets of the universe.

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Scientists think we'll know whether alien life exists on the planets within two or three years
Scientists think we’ll know whether alien life exists on the planets within two or three years

The mini-Neptune is 124 light years away and more than eight times as massive as Earth, but far away enough from its nearby star to sustain intelligent life.

Study leader Dr Nikku Madhusudhan said we may soon be able to detect life on that type of planet within a few years.

The Cambridge astronomer told The Guardian: “Hyceans are basically water worlds with hydrogen-rich atmospheres.



The planet has been compared to Neptune due to its immense size
The planet has been compared to Neptune due to its immense size

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“We are saying that within two to three years we may see the first biosignature detection if these planets host life.

“At the bare minimum, microbial life should be possible.”

But he cautioned more information is needed before we can be confident of co-existence with other beings.

He added: “To establish the prospects for habitability, it is important to obtain a unified understanding of the interior and atmospheric conditions on the planet – in particular, whether liquid water can exist beneath the atmosphere.”


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