Exoplanet K2-18b (right) can reach life.
© M. Cornmasher / DBA
Cambridge University researchers have discovered a new type of habitable planet. This discovery “will completely change the understanding of life in the universe”.
Cambridge – This could be a big step in the search for life in space: astronomers have discovered a new kind of habitable planet. They are completely different from Earth: warmer, but with a lot of hydrogen in the oceans and atmosphere.
The inventors of the University of Cambridge in the UK named this new class of oceans – “hydrogen” (Latin for hydrogen) and the ocean. The reason: The newly discovered planets have a hydrogen-rich atmosphere and a warm surface – covered by oceans.
Exoplanets: Researchers refute previous assumptions
Until now, exoplanets – that is, celestial bodies outside the solar system – between Earth and Neptune have often been called super-Earths or mini-Neptunes. The latter is smaller than our Neptune – but much larger than rocks like our home planet. For this reason, researchers previously thought that their hydrogen-rich atmosphere would be too hot and that air pressure would activate more life.
Cambridge scientists have this assumption Dr. நிக்கு மதுசூதன் Now the Mini-Neptune K2-18b is basically denied. Because: conditions there can make life possible, as their study showed. She is me Journal of Astronomy Published.
Hyson planets are 2.6 times larger than Earth
Thus, the Hijian planets are up to 2.6 times the size of Earth and have a temperature of up to 200 degrees Celsius in the atmosphere, but the conditions of their oceans allow microbes to live – just like Earth.
“Hygiene planets open up completely new possibilities in our search for life,” explains Dr. Alcoholism. This is because the vast majority of exoplanets discovered so far contain such celestial bodies. However, they have not yet been fully explored – in contrast to the Super-Earths.
In their search, the researchers primarily called biomarkers such as methyl chloride and dimethyl sulfide. They represent life on planets that do not have an oxygen-rich atmosphere, such as Earth.
Researchers now want to stare at the planets
Dr. Alcoholism. “But we think the Hyson planets now offer the best chance of finding traces of biological signatures.”
“If we see a signature of life there, it will completely change our understanding of life in the universe.”
The collection of planets identified by Cambridge scientists as Hyson will be further explored in the future by the James Webb Space Telescope (JWST). All of these celestial bodies are located in the solar system known as the “red dwarf” and are not far from astronomical conditions in 35 to 150 light years.
This includes K2-18b. Researchers want to examine it more closely with telescopes. “If we see a life signature there, it will completely change our understanding of life in the universe,” says Dr. Alcoholism. (John Went)
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