Scientists have found a possible explanation for how the mass extinction occurred on a planet that NASA, ESA and many other space agencies believe must have supported life.
As we face climate disasters due to global warming; On another planet, all organisms could have perished when the globe became too cold to live, also due to climate change.
It is a planet also located in the solar system, also neat in appearance Goldilocks’ “life zone.”is also a rocky planet like Earth: Mars.
March – (Photo: SPACE)
The study has just been published above Natural astronomy not only confirms the hypothesis of life existing on Mars believed in by space agencies and many researchers around the world, but also explains how this life became invisible to us.
As some previous studies have suggested, soon after Earth, life began to appear on Mars almost 4 billion years ago. Their primitive organisms were also microorganisms like our planet, but constituted a group of organisms specialized in the consumption of hydrogen (a powerful greenhouse gas) and the emission of methane (also a greenhouse gas but less powerful than hydrogen).
Model how life appeared and developed on Mars using data from the Mars exploration robot Curiosity, “fighter” By helping NASA find traces of methane and the first building blocks of life, scientists have recreated the history of ancient Mars.
They discovered that life cannot sustain itself in all the favorable environments that contributed to its emergence, but that it can easily be annihilated by destroying the foundations on which it exists.
“The ingredients for life are everywhere in the universe. So perhaps life appears very often, but its inability to maintain habitable conditions on planetary surfaces causes it to disappear quickly. Our experiments show that even a biosphere can have a completely self-destructive effect.” – astrobiologist Boris Sauterey from the Institute of Biology at the Ecole Normale Supérieure in Paris – France, confirmed to the Space newspaper.
Summarizing the research, Science Alert said the work explained that because Mars is further from the Sun than Earth, for life to exist it needs a layer of greenhouse gases thick and strong enough to thrive. keep warm. In this case, it is hydrogen.
But when life developed into a true biosphere, continually consuming hydrogen and replacing it with methane, the planet’s heat-retaining layer was no longer strong enough, causing the temperature to drop by 10 -20 degrees Celsius to minus 57 degrees Celsius.
This is a climate catastrophe on a global scale, which will certainly make the surface of the planet a dead world.
Microorganisms have found a way to burrow underground, up to 1 km deep, in search of a warmer environment. Can last a while. There is also a small possibility that they still exist, but the silver lining is the current trace of methane that Curiosity has found. Methane is most likely a product emitted by life.
Article source: NLD
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Scientists have found a possible explanation for how the mass extinction occurred on a planet that NASA, ESA and many other space agencies believe must be due…