this post was submitted on 16 Nov 2024
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i'd like to think life exists on every single rocky planet. i remember reading about the discovery of single celled organisms deep in the earth's crust. they exist in a very low-energy environment and therefore have slow metabolisms. some of these are theorized to be able to live for over a million years. they literally extract energy from inorganic compounds in metabolic pathways we don't understand.
the question is: did life originate on the surface (deep sea hydrothermal vents are still surface in this context) or deep in the earth?
if life originated in the earth, then I think there's a very high probability every single rocky planet is essentially a seed. inside of it's core it has life and whenever the surface environment grants some long term stability, the life slowly emerges and evolves into different forms.
so how would extra terrestrial beings and humans interact in the next 10 years?
basically, I think there's a chance (although low on such a short time scale as 10 years) that we will discover life on another planet. or at least some very significant signs of life. either on Mars or Venus or some Galilean moon, etc.