Space/Science » in reply to Number of alien life forms

The whole thread (26 posts)

• Number of alien life forms - andrew - 2/5/2009 11:32:09 AM
  • The first couple of questions. - Bowser - 2/5/2009 9:59:06 PM
    • The Options - Marsby - 2/6/2009 3:49:03 AM
      • Yes. And then - DNA like ours, or not? - Bowser - 2/6/2009 4:27:36 AM
  • re: Number of alien life forms - phil - 2/5/2009 6:00:27 PM
    • re: Number of alien life forms - Laurie Street - 2/5/2009 10:17:33 PM
      • re: Number of alien life forms - Marcia - 2/6/2009 3:56:13 AM
        • Fermi's Paradox Only Applies to this Galaxy - Marsby - 2/6/2009 2:27:54 PM
          • Chris Boyce said something similar... - Adam - 2/7/2009 1:19:15 AM
            • Beware The Hidden Assumption - Marsby - 2/8/2009 3:01:24 AM
            • Why would they remain hidden? - Raoul - 2/7/2009 9:25:49 AM
              • Observation pure of the Observer's presence - qraal - 2/9/2009 11:16:09 AM
              • re: Why would they remain hidden? - andrew - 2/9/2009 4:06:41 AM
      • re: Number of alien life forms - gbaikie - 2/5/2009 11:53:02 PM
    • Interesting... - McFly - 2/5/2009 6:38:08 PM
      • We may be the only living beings in the entire universe because.... - Raoul - 2/6/2009 6:30:05 AM
        • We've only found 300+ exoplanets so far - Socrates II - 2/6/2009 12:37:00 PM
          • So, you're a "universe is half full" type o' guy, huh? :-) (n/t) - McFly - 2/6/2009 5:59:21 PM
            • More like a... - Socrates II - 2/6/2009 6:53:45 PM
              • re: More like a... - Marcia - 2/9/2009 2:00:46 AM
  • re: Number of alien life forms - pwokenyaw - 2/5/2009 3:29:07 PM
    • This scenario suggests under 300 ETI in the Milky Way galaxy - Socrates II - 2/5/2009 4:42:01 PM
      • Limited Lifespan Assumption - Marsby - 2/5/2009 6:53:27 PM
        • Looking at birds and dinosaurs. - Bowser - 2/6/2009 4:34:01 AM
          • Yes and no... - Adam - 2/6/2009 12:12:26 PM
        • re: Limited Lifespan Assumption - Marcia - 2/6/2009 4:25:45 AM