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Of course the above fourth image evidence sourced from the official black and white browse image doesn't really match the above official description but that may change with the much closer view MRO JP2 images. However, they require a large file size special graphics viewer that I doubt many of you will avail yourself of and so we'll stick here with the lesser quality browse images so that most of you who wish to can easily follow behind me. Now check out the next image below.
Originally posted by Xtal_Phusion
Too little energy is generated through anoxygenic photosynthesis. By default, this leaves us MICROORGANISMS! Chlorobium, otherwise known as green sulfur bacterium would be a good example. Most likely, however chemical constraints (pressure, temp, desiccation, etc.) would require reliance on a type of metabolism called chemoautotrophy. On Earth, microbes called extremophiles are clustered in a domain of life called Archaea (not the same as regular bacteria or "Eubacteria"). It is generally accepted that these are among the most ancient forms of cellular life on Earth today. Metabolic processes in this group can be very bizarre. Methanogens generate methane gas from simple hydrocarbons (i.e., methanol, ethanol), others live at very high/low pH, others still live at hydrothermal vents on the ocean floor where temperatures reach 130C or more. The most unusual is a polyextremophile called Deinococcus radiodurans. This bug surivived exposure to space outside the shuttle in orbit, makes a habit out of living in cooling tanks with spent rods at nuclear power plants and contains multiple copies of genes on circular DNA that stacks like a lifesaver to facilitate repair of broken fragments! This is true science and even more incredible than most realize! If you want to talk about life on Mars, how about discussing bugs that metabolize hydrogen and live deep beneath the Martian soil? They may not even HAVE DNA in their genomes! Think about it! According to the RNA world hypothesis, RNA was used before DNA and protein (performs the functions of both biomolecules to a less efficient degree & is still needed for many intermediate steps). A few groups are even working on other possible genetic systems and those are PNA (peptide backbone), TNA (threose backbone) and GNA (glycerol). Shall I outline some thermodynamic equations to demonstrate the differences between oxygenic and anoxygenic photosynthesis?
Two questions. First, a short one. What's with the anon. poster above this one? There is no history of the account, and what's with the signature...multi-users with no history? I'm not objecting, just interested.
reply to post by eNumbra
Thanks. So everyone knew the password to the account? It seems to be still active, gathering stars.
This thread seems to have a long history of discoveries and searching, and now most of that is negated or muted by the lack of pictures. Searching through Mars pictures for anomalies is part of he historical record of Martian exploration, so my concern is if these can be somehow recovered.