The Canada Goose Chin Strap
Aloha
Extremeophiles
Deep Biosphere
The subsurface accounts for about 90% of the biomass across two domains of life, Archaea and Bacteria, and 15% of the total for the biosphere. Eukarya are also found, including some multicellular life fungi, and animals (nematodes, flatworms, rotifers, annelids, and arthropods). Viruses are also present and infect the microbes.
wiki, Deep Biosphere
The findings suggested that if life ever existed on Mars, the dormant evidence of it might still be located in the planet’s subsurface — a place that future missions could explore as they drill into Martian soil.
CNN, web
Extremophiles can use either sunlight (phototrophs) or chemical energy (chemotrophs) as energy sources, and different chemical compounds as electron donors or acceptors. Aerobic microorganisms use oxygen (O2) as a terminal electron acceptor, whereas anaerobic microorganisms may use nitrate (NO3−), sulfate (SO42−), carbon dioxide (CO2), Fe(III), or other organic or inorganic molecules during respiration. The phylogenetic diversity of extremophiles is very high, leading to their broad dispersal across the phylogenetic tree of life together with a wide variety in metabolic diversity.
Jebbar, M., Hickman-Lewis, K., Cavalazzi, B. et al. Microbial Diversity and Biosignatures: An Icy Moons Perspective. Space Sci Rev 216, 10 (2020).
web, pdf
Notes: "Extremeophiles on MakeMake!..A fantasy fantastic upon a round tiny icy world out in the middle of nowhere-a lot like home!"...lol...a thought I've had is to make sci-fi book cover illustrations, art, for non-existent books...anyway, deep biospheres may be a universe universal...the trick is the critters can get by without surface sunlight, the pressure of atmosphere, rock, or gravity tidal forces, creates heat for the biochemistry, or some such...in the works: "Universe Universals-uniqueness isn't one of them!"
Aloha,
:)
DavidDavid
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