#biosignature — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #biosignature, aggregated by home.social.
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We are inching closer and closer to reliably detecting #biosignatures on distant #planets.
Much of the focus is on determining which chemicals indicate #life's presence.
But life can also create free energy in a system, and excess energy can create chemical disequilibrium. That's what happened on Earth when life got going.
Could chemical disequilibrium be a #biosignature?
#astronomy #astrobiology #exoplanets
https://phys.org/news/2023-11-life-easiest-planets-earlier-earth.htmlPaper by Young et al. (2023):
https://arxiv.org/abs/2311.06083