Earth rocks could have taken life to Titan

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Earth rocks could have taken life to Titan

ljk — 3/19/2006 9:40:22 PM (archived)

Earth rocks could have taken life to Titan

18:08 17 March 2006

NewScientist.com news service

Maggie McKee, Houston

Excerpt:

He says only boulders at least 3 metres across could punch out through the Earth's atmosphere and escape the planet's gravity, and that only extremely powerful impacts could achieve this. The cause of such impacts would be comets or asteroids between 10 and 50 kilometres wide, Gladman told New Scientist: "The kind of thing that killed the dinosaurs."

Full article here:

http://www.newscientistspace.com/article/dn8867-earth-rocks-could-have-taken-life-to-titan.html

The whole thread (38 posts)

Did Earth Seed Life Elsewhere in the Sol System? - ljk - 3/18/2006 6:33:06 PM
- re: Did Earth Seed Life Elsewhere in the Sol System? - GLORIA WU - 4/4/2006 2:11:38 AM
  - Care to elaborate?? (n/t) - ModBob - 4/4/2006 4:29:06 AM
- re: Did Earth Seed Life Elsewhere in the Sol System? - lance - 3/20/2006 2:08:06 AM
- A good way to find out is to send humans to Mars - Scott Evil - 3/19/2006 11:17:49 PM
  - We might be looking for a while - SteveS - 3/20/2006 2:37:54 PM
    - Earth microbes on the moon - REB - 3/23/2006 9:20:50 PM
    - Did we look? - Scott Evil - 3/21/2006 5:35:26 PM
      - I don't think so - SteveS - 3/21/2006 7:14:58 PM
    - re: We might be looking for a while - ljk - 3/20/2006 3:08:53 PM
      - re: We might be looking for a while - SteveS - 3/20/2006 8:13:40 PM
- Our "gravitational well" is very deep. - Jacob Samorodin - 3/19/2006 9:55:40 PM
- Better to pponder when we FIND life elsewhere in the Solar System. (n/t) - et - 3/19/2006 7:29:50 PM
- Possible. - Tom Brosz - 3/19/2006 5:30:37 PM
  - Deinococcus radiodurans - ljk - 3/19/2006 6:30:18 PM
- Unlikely, but plausible. The problem is the survival time - David F Mayer - 3/19/2006 6:10:08 AM
  - re: Unlikely, but plausible. The problem is the survival time - ljk - 3/19/2006 7:33:59 AM
    - But at what radiation levels? (n/t) - DFM - 3/20/2006 4:08:48 PM
- Did it seed the Galaxy? - Adam - 3/19/2006 6:05:51 AM
  - re: Did it seed the Galaxy? - ljk - 3/20/2006 4:14:33 PM
  - re: Did it seed the Galaxy? - ljk - 3/19/2006 6:56:38 AM
    - That's the one - Adam - 3/19/2006 8:23:48 AM
      - re: That's the one - ljk - 3/19/2006 3:51:07 PM
- re: Did Earth Seed Life Elsewhere in the Sol System? - SteveS - 3/19/2006 12:26:51 AM
  - Earth life is much older than that - ljk - 3/19/2006 1:07:12 AM
    - re: Earth life is much older than that - Marcia - 3/19/2006 2:55:42 AM
  - Lot longer than 500 million - dtb - 3/19/2006 12:46:54 AM
    - That's right they are talking bacteria, my bad (n/t) - SteveS - 3/19/2006 12:56:21 AM
      - Earth rocks could have taken life to Titan - ljk - 3/19/2006 9:40:22 PM
        
        re: Earth rocks could have taken life to Titan - SteveS - 3/20/2006 2:47:36 PM
        
        re: very dubious - Andrew - 3/20/2006 6:09:57 AM
        
        Meteroites - Adam - 3/20/2006 9:25:29 AM
        
        re: Meteroites - ljk - 3/20/2006 3:33:52 PM
        
        re: Meteroites-still dubious - Andrew - 3/21/2006 12:42:17 AM
        
        re: Meteroites-still dubious - ljk - 3/21/2006 7:30:53 PM
        
        re: Meteroites-still dubious - pwokenyaw - 3/21/2006 5:43:07 PM
        
        Did life shape Earth's evolution? - ljk - 3/23/2006 6:27:41 PM
        
        Preventing the Forward Contamination of Mars - ljk - 4/4/2006 2:54:16 PM

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