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#biosignature — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #biosignature, aggregated by home.social.

  1. 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
    phys.org/news/2023-11-life-eas

    Paper by Young et al. (2023):
    arxiv.org/abs/2311.06083