[meteorite-list] Mars rover pollution
From: Dawn & Gerald Flaherty <grf2_at_meteoritecentral.com>
Date: Mon Jul 18 21:17:26 2005 Message-ID: <01c201c58bfd$da72f1c0$6502a8c0_at_GerryLaptop> Come on Doug, you CAN match this wit! Jerry ----- Original Message ----- From: "Sterling K. Webb" <kelly_at_bhil.com> To: "Dave Harris" <entropydave_at_ntlworld.com>; "metlist" <meteorite-list_at_meteoritecentral.com> Sent: Monday, July 18, 2005 8:42 PM Subject: Re: [meteorite-list] Mars rover pollution > Hi, Entropy, Darren, List, and the Bacterial Overlords! > > In the "early" days, we worried a lot about contamination -- both ways! > Astronauts were ripped out of their capsules and popped into biohazard sealed > environments, probes were sterilized, etc. > The dangers never materialized. > Now, if we filled the probes up with chasmoendolithic nanobateria such as > you mentioned, we might, just might, get a shot at contaminating a planet, but > the bugs in the warm mayonnaise on the technicians' balogna sandwiches (that got > on the tech's thumb) are not going to become the Bacterial Overlords of Mars! > They will die wondering why it's so cold and where all the mayonnaise went... > Interesting as the idea of "contaminating" a planet is, it's scientifically > a dead issue, or so we think. And you couldn't decontaminate a modern spacecraft > like one of the old klutzy "camera in a box" probes. Too much chance of damaging > the probe. > And as far eliminated the bacteria, forget it. The most sterile operating > theatre humans can devise still has 100,000's of microbes per cc in the air. > Read the marvelous book, "The Life That Lives On Man." (British author, old > man!) > The theme of "contaminating" a planet is well-known in fiction, too. There's > a marvelous story about tracking all life on Mars down to the Russia's crashed > Cosmos 3 probe. And the author of Red, Green, Blue Mars wrote a really funny > piece that was a duel of abstracts of scientific papers over whether Martian > bacteria with identical DNA as Earthly bateria were contamination from Earth or > the Earth bacteria were descended from Martian meteorite bacteria or whether > both came from the same outside source or... It's an insolvable problem! > Which brings us to the topic of real life on Mars. Your standard issue > orthodoxy is an odd and schizophrenic hodgepodge. Most "authorities" believe > that Mars probably did have life in the old warm wet days but are equally and > oppositely certain there is little chance of life today (mustn't excite the > public and those tabloids... ugh!). > I believe this to be a far, far less likely scenario than EITHER the "no > life ever" or the "life still lives there today" theories. There's a nice Rover > photo of what looks EXACTLY like a dead fish -- from one side, only, though. > I want there to be life elsewhere, please, God! It's virtually an article of > faith, or a wild hope, or a dream, though. > LIFE is a virulent, destructive, out-of-control event. Life, even its most > minimal, has taken a perfectly decent little planet like the Earth and RUINED > it. Its atmosphere is filled, up to 20%, with the second most deadly reactive > poison in the universe! > This suffering Earth is an abnormal distorted nightmare of a world. Instead > of a sensible planet like Venus (only with a mere 25 atmospheres of C02 and a > chilly 250 degree C temperature), this Earth is saturated with deadly oxygen and > smothered in liquid H2O -- it's a madhouse, a madhouse! (Movie quiz?) > Kidding aside, now, guys. LIFE doesn't just hang on by its bacterial teeth > for 4 billion years just waiting for things to get just a leeetul bit better. > Life is an aggressive expansive dominating positive-feedback process. Life does > not Goldilocks around looking for a planet that's just right. Life takes entire > planets by the.. well, you know, and MAKES them right! > From a million billion miles miles away, intelligent life with big enough > telescopes can read our spectra and know what we are. If they are anaerobic > life, chlorine based life, silicon based life, artificially intelligent life, > neutronium life, whatever, they look at us and a chill goes down their spine at > the horror of it all: a poisoned world. Think how you'd feel if we found a > planet with a 6%-8% flourine atmosphere content... Now, what could have done > that? > If Mars had life 4 billion years ago, as the planet cooled, dried, and > thinned, they, whoever they were, would have FIXED it, maybe not our way, but > some way. Life, the most anti-entropic phenomenon in the universe, Entropy Dave, > would have been the winner. And winner takes all in this game. > My attitude, and I misquote William Faulkner here, is that life "will not > only endure; it will prevail." > We win. Go, Life! Hip, Hip, Hoorah, Life! > > Sterling K. Webb > -------------------------------------------------------------------------- -- > While I was typing mine, so was everybody else! I didn't change anything, > though. Weren't you complaining that nobody will talk about a serious topic, > Dave... The strategy worked, though. > -------------------------------------------------------------------------- -- > Dave Harris wrote: > > > Hi, > > I find it interesting that I have not heard any comments re my email > > yesterday regarding NASA's inability to completely sterilise their Rovers > > may lead to colonisation of another planet and the consequences of this > > action. > > > > I actually think this is quite an important issue - I will probably be told > > wrong forum/off topic" or whatever... > > > > People talk for hours on this list about complete rubbish - I thought it was > > a very important point hence I raised this as a topic - I received the same > > response I got when I emailed NASA! Nothing! > > > > just my 2 microbes worth.... > > > > dave > > IMCA #0092 > > Sec. BIMS > > www.bimsociety.org > > > > ______________________________________________ > > Meteorite-list mailing list > > Meteorite-list_at_meteoritecentral.com > > http://six.pairlist.net/mailman/listinfo/meteorite-list > > > ______________________________________________ > Meteorite-list mailing list > Meteorite-list_at_meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list >Received on Mon 18 Jul 2005 09:04:44 PM PDT |
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