Scientists have discovered a new way oxygen could have formed in carbon-dioxide-rich atmospheres, challenging assumptions about how we search for life on other planets.
Jam packed issues filled with the latest cutting-edge research, technology and theories delivered in an entertaining and visually stunning way, aiming to educate and inspire readers of all agesScientists have discovered a new way oxygen can form in carbon-dioxide-rich atmospheres of worlds beyond our own —- challenging assumptions about how we should search for life on other planets, and possibly about the origins of life itself.
Tian and Hu say they were fascinated with how this primitive atmospheric oxygen was formed, reporting a new mechanism through which that could've happened.or the dissociation of CO2 under ultraviolet light. It's also possible, some believe, that the substance could have come about through specific reactions with."However, we found a distinctly different pathway to produce O2 from molecular CO2," Tian told Space.com."Namely, through the reaction of helium ions with CO2.
But Hu and Tian took this a step further, combining TOF with what're known as"crossed-beam apparatus" and"ion velocity maps" to try and elucidate any possible mechanisms that would yield molecular oxygen. In this setup, two beams of particles — CO2 and He+ — intersected under controlled conditions, allowing reactions to occur at the collision point.
"This is a useful finding which demonstrates that colliding helium at the sorts of energy we would observe in solar winds, can generate molecular oxygen when it hits carbon dioxide," said Benoit."The efficiency of the process appears to be similar to that of colliding carbon dioxide with low-energy electrons, which was investigated a few years ago by the same research group.
Astrochemistry Life Beyond Earth Oxygen Production Early Earth Space Exploration
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