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A question for you and Arken: why turn logic on its head? One minute you use scientific discoveries and proposals to support your view, the very next minute you disregard science as a "butterfly" thing, where everything is fleeting and nothing can be trusted. Where is logic in that?
Why do you call the proposition that only simple organisms could ever evolve on Mars "nonsense"
while favouring the complex life proposal, if there's no direct evidence for either,
and geological evidence shows Mars lost its magnetosphere billions of years ago?
erik & Soylent Green Is People, I really respect what the two of you contribute here on ATS. You both also have an approach that makes it easy to discuss these issues. I enjoy talking about these things with you both
wildespace? You already should realize by now how much I respect you, and your photo cosmic images that you present here so well. You and I discussed them before, remember? No hard feelings if you and I bump heads every now and then.
I love Arken's threads and posts, just so that is clear.
Listen, If we all sometimes disagree, it is no big deal at the end of the day. I come here to ATS for many different reasons, but you guys are a big part of that reason. Tomorrow is another day. ~$heopleNation
Methane could also be produced by a non-biological process called serpentinization involving water, carbon dioxide, and the mineral olivine, which is known to be common on Mars
Interesting hypothesis. One thing I wonder, was Mars red back then, or did the redness develop later on, when the planet dried up? The artist's interpretation may need to include more grey than red.
It needs to be noted that even if there was plentiful water on Mars, it doesn't imply Earth-like appearance with forests and grasslands. Life on Mars might have never had a chance to evolve beyond simple microorganisms, or to evolve at all.
wishful thinking and blurred natural geography ...
reply to post by weirdguy
I read somewhere that the red pigment is iron oxide. Perhaps Olympus Mons blew, that would certainly kill off a planet.
Olympus Mons is three times the height of Everest and would dwarf any super volcano found on earth, so yes it would most certainly be able to cause a mass extinction.