re: Comets

Raoul — 9/28/2004 7:43:10 AM (archived)

Halley's comet has a solar orbit lasting around 76 years, si it's a matter of returning back in time.
But I'm not aware of any other visible comet which can be traced back into a past before AD.
Besides, lots of comets appear only once in thousands of years!

Raoul

The whole thread (18 posts)

Raoul, your help please, concerning comets - E.P. Grondine - 9/27/2004 8:54:04 PM
- Oooops... - E.P. Grondine - 9/27/2004 9:01:20 PM
  - re: Halley's Comet - Raoul - 9/27/2004 9:07:03 PM
    - re: Sorry....I went too fast - Raoul - 9/27/2004 9:10:57 PM
      - re: However, 4 orbits earlier... - Raoul - 9/27/2004 9:17:56 PM
        
        re: Here - Raoul - 9/27/2004 9:28:31 PM
        
        Thanks! - E.P. Grondine - 9/28/2004 12:02:50 AM
        
        re: Comets - Raoul - 9/28/2004 7:43:10 AM
        
        690 AD, not 690 BC - E.P. Grondine - 9/28/2004 1:59:28 PM
        
        re: 690 AD, - Raoul - 9/28/2004 2:37:32 PM
        
        re: 690 AD, - E.P. Grondine - 9/28/2004 7:07:16 PM
        
        re: re:J'en ai bien peur, en effet:) (n/t) - Raoul - 9/28/2004 9:44:37 PM
        
        pas de responsabilitie, mais avec "thanks" - une autre question - E.P. Grondine - 9/29/2004 12:15:25 AM
        
        re: Encke - Raoul - 9/29/2004 7:42:54 AM
        
        re: Encke - E.P. Grondine - 9/29/2004 2:18:41 PM
        
        re: Encke - Raoul - 9/29/2004 5:13:50 PM
        
        re: Comets - REB - 9/28/2004 1:20:53 PM
        
        Ooops - still problems - you're not the only one moving too fast - E.P. Grondine - 9/28/2004 12:12:27 AM

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