Researchers say oxygen on Earth won't last, will suffocate most life

Researchers have predicted that Earth's oxygen-rich atmosphere won't last forever and will run out, suffocating most life.

@JakConnorTT
Published Mon, Oct 11 2021 4:03 AM CDT

A new study has been published in Nature Geoscience, and it details Earth's oxygen levels eventually running out, causing most life on the planet to suffocate.

Researchers say oxygen on Earth won't last, will suffocate most life 01 | TweakTown.com

Around 2.4 billion years ago, Earth underwent the Great Oxidation Event, which was when Earth's shallow ocean and Earth's atmosphere first began experiencing a rise in oxygen levels. According to the researchers behind the paper, Earth's atmosphere will eventually run out of oxygen and essentially revert back to what it was before the Great Oxidation Event.

Additionally, the researchers say that atmospheric oxygen is unlikely a permanent feature of any habitable worlds, which throws a wrench into human civilizations' search for life outside of Earth. The researchers expect that this drop in oxygen levels throughout the atmosphere will occur after about one billion years or so, and while that is definitely an extremely long way away, when the change in the atmosphere's oxygen levels happens, it will happen relatively quickly.

The researchers wrote, "The model projects that a deoxygenation of the atmosphere, with atmospheric O2 dropping sharply to levels reminiscent of the Archaean Earth, will most probably be triggered before the inception of moist greenhouse conditions in Earth's climate system and before the extensive loss of surface water from the atmosphere."

For more information on this story, check out this link here.

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Jak joined the TweakTown team in 2017 and has since reviewed 100s of new tech products and kept us informed daily on the latest science and space news. Jak's love for technology, and, more specifically, PC gaming, began at 10 years old. It was the day his dad showed him how to play Age of Empires on an old Compaq PC. Ever since that day, Jak fell in love with games and the progression of the technology industry in all its forms. Instead of typical FPS, Jak holds a very special spot in his heart for RTS games.

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