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10 de jul. de 2024 · The paper shows how Earth's earliest life forms — microbes such as O2-producing bacteria and methane-producing archaea — shaped, and were shaped by, changes in the oceans, continents, and atmosphere. "The central message in all of this is that you can't view any part of the record in isolation," said Timothy Lyons, a UCR distinguished ...
Hace 21 horas · The possibility of life on Mars is a subject of interest in astrobiology due to the planet's proximity and similarities to Earth.To date, no proof of past or present life has been found on Mars. Cumulative evidence suggests that during the ancient Noachian time period, the surface environment of Mars had liquid water and may have been habitable for microorganisms, but habitable conditions do ...
