Reality Check

ER — 6/20/2006 5:57:44 PM (archived)

Re your last comment, the transmitting civilization would certainly select a frequency at which the interstellar medium was transparent and quiet. Certainly not 21cm.

Did you read Henry Cordova's essay on this bbs at

SETI: Reality Check - ljk - 5/8/2006 12:41:18 PM

It covers many of these issues.

The whole thread (53 posts)

Death of the Sun on National Geographic Channel - Wednesday, June 21 - ljk - 6/19/2006 4:24:19 PM
- re: Perhaps Earth can survive it... - Raoul - 6/19/2006 4:32:07 PM
  - Maybe not - Adam - 6/20/2006 4:40:05 AM
    - re: Maybe not - REB - 6/20/2006 12:09:37 PM
      - Gather ye red dwarfs while ye may - ljk - 6/20/2006 2:22:57 PM
        
        Red Dwarfs - REB - 6/20/2006 2:35:16 PM
        
        re: Red Dwarfs - ljk - 6/20/2006 5:29:20 PM
        
        A bunch would be tricky - Adam - 6/20/2006 10:32:29 PM
        
        Hiding in plain sight. - ER - 6/21/2006 1:58:56 PM
        
        Here's one way to get us to the stars while still alive - LJK - 6/21/2006 7:41:42 PM
        
        Near dead, not alive - Adam - 6/21/2006 10:11:00 PM
        
        re: Near dead, not alive - LJK - 6/22/2006 1:02:03 PM
        
        Humans are tough and versatile - REB - 6/22/2006 2:56:39 PM
        
        re: Humans are tough and versatile - LJK - 6/22/2006 3:29:08 PM
        
        re: Humans are tough and versatile - REB - 6/22/2006 3:37:58 PM
        
        re: Humans are tough and versatile - LJK - 6/22/2006 3:46:41 PM
  - Pretty sunsets, I bet. (n/t) - alcaray - 6/19/2006 5:18:22 PM
    - re: One could wonder.... - Raoul - 6/19/2006 7:22:06 PM
    - But rather on the warm side - ljk - 6/19/2006 7:06:28 PM
      - yuh think? (n/t) - alcaray - 6/19/2006 9:54:04 PM
        
        Another neat depiction - LJK - 6/20/2006 7:40:23 PM
  - re: Perhaps Earth can survive it... - ljk - 6/19/2006 4:36:12 PM
    - re: re:Gone... - Raoul - 6/19/2006 4:39:02 PM
      - re: re:Gone... - ljk - 6/19/2006 4:41:35 PM
        
        No need to update your will. - ER - 6/19/2006 4:59:52 PM
        
        re: No need to update your will. - REB - 6/19/2006 6:23:48 PM
        
        re: Space and Time: even without leaving LEO we've learned so much - Raoul - 6/19/2006 8:01:24 PM
        
        Sorry Raoul, I don't believe in "Can't". - REB - 6/19/2006 8:37:16 PM
        
        Time is on our side? - ER - 6/19/2006 7:50:43 PM
        
        re: Time is on our side? - REB - 6/19/2006 8:41:25 PM
        
        Fermi Redux. - ER - 6/19/2006 9:04:17 PM
        
        There's a fourth factor - Fox - 6/20/2006 12:37:34 AM
        
        That's just (2) + (3) - nick hoffman - 6/20/2006 1:11:32 PM
        
        d = vt - Fox - 6/20/2006 2:42:13 PM
        
        Reality Check - ER - 6/20/2006 5:57:44 PM
        
        Keepin' it real - Fox - 6/20/2006 11:14:14 PM
        
        re: Keepin' it real - ER - 6/21/2006 1:58:22 AM
        
        Did you see this news item? - LJK - 6/21/2006 3:53:46 PM
        
        Mmmmmmmmmmmmmmmmmmm.... - ER - 6/21/2006 5:06:04 PM
        
        Supernovae and GRBs also make great natural beacons for SETI - LJK - 6/21/2006 5:27:17 PM
        
        re: Supernovae and GRBs also make great natural beacons for SETI - ER - 6/21/2006 5:47:21 PM
        
        re: Supernovae and GRBs also make great natural beacons for SETI - LJK - 6/21/2006 5:56:44 PM
        
        I get it! - ER - 6/21/2006 6:26:14 PM
        
        re: I get it! - ljk - 6/21/2006 7:35:40 PM
        
        Who needs planets? - LJK - 6/20/2006 3:17:13 PM
        
        re: Who needs planets? Builders of orbital colonies. - Fox - 6/20/2006 9:14:35 PM
        
        re: Who needs planets? - Raoul - 6/20/2006 7:34:07 PM
        
        re: Who needs planets? - LJK - 6/20/2006 7:42:22 PM
        
        Ever hear of blue stragglers? - ljk - 6/19/2006 9:16:11 PM
        
        Not a rock band - ER - 6/19/2006 11:59:46 PM
        
        re: Not a rock band - ljk - 6/20/2006 11:15:57 AM
        
        Cher. (n/t) - ER - 6/20/2006 12:47:20 PM
        
        And Liz T. - LJK - 6/20/2006 2:01:24 PM

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