XPost: rec.arts.sf.science, rec.arts.sf.written   
   From: lynnmcguire5@gmail.com   
      
   On 4/27/2018 11:48 AM, Robert Woodward wrote:   
   > In article ,   
   >   Jibini Kula Tumbili Kujisalimisha  wrote:   
   >   
   >> Your Name  wrote in   
   >> news:pbugk7$4m8$1@gioia.aioe.org:   
   >>   
   >>> On 2018-04-27 05:32:22 +0000, Thomas Koenig said:   
   >>>> Your Name  schrieb:   
   >>>>>   
   >>>>> The real problem is that scientists are blinkered into the   
   >>>>> belief that life of any sort /must/ have water, which is   
   >>>>> moronically silly.   
   >>>>   
   >>>> Water has a range of qualities that make it suitable for   
   >>>> complex molecules. There is a lot of it around, it has such low   
   >>>> energy, it will be found in a reasonably pure state, it allows   
   >>>> for condensation reactions with polar leaving groups, it has   
   >>>> very strong hydrogen bonds, it dissolves salts...   
   >>>   
   >>> All true, on Earth. Many other planets and other life forms are   
   >>> almost certainly completely different.   
   >>   
   >> I'm pretty sure the chemical properties of water will be the same no   
   >> matter what planet you're on.   
   >   
   > The chemical properties of carbon compounds (and everything else) will   
   > be the same as well. The physical properties (e.g., the state and   
   > density) could vary depending on air pressure and temperature. I would   
   > suspect that a "heavy" Earth (i.e., solid body 6-10 times Earth's mass)   
   > could have lakes of liquid carbon dioxide.   
      
   That would require an extremely dense atmosphere of 6X or more of the   
   Earth's atmospheric pressure.   
      
   Lynn   
      
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