Astronomy and Space

1,484 topics in this forum

1. Function of black holes

   By simay77, February 10, 2006
   • 10 replies
   • 1.7k views
   • 
   • Harry Costas
   • February 13, 2006

2. Amazing Mars Images - Beautiful Rivers, Lakes and Canyons

   By Solve et Coagula, February 12, 2006
   • 4 replies
   • 5.2k views
   • 
   • Pyrotex
   • February 12, 2006

3. Revisiting the Big Bang 1 2 3 4

   By questor, January 12, 2006
   • 59 replies
   • 9.5k views
   • 
   • Harry Costas
   • February 11, 2006

4. How to talk to aliens 1 2 3 4

   By Stargazer, December 5, 2004
   • 62 replies
   • 12.6k views
   • 
   • InfiniteNow
   • February 8, 2006

5. Terraforming Mars 1 2

   By pgrmdave, November 1, 2005
   • 28 replies
   • 4.9k views
   • 
   • Jay-qu
   • February 7, 2006

6. Mayan "prophecies"

   By Drip Curl Magic, February 6, 2006
   • 1 reply
   • 1.5k views
   • 
   • Drip Curl Magic
   • February 6, 2006

7. Walk up to the end????? 1 2

   By trapit, January 10, 2006
   • 31 replies
   • 4.4k views
   • 
   • tarak
   • February 4, 2006

8. The definition of a black hole vs. parallell universes or worm holes

   By TIDUSGIYA, January 29, 2006
   • 5 replies
   • 3.5k views
   • 
   • Harry Costas
   • February 2, 2006

9. Maximum distance between two points 1 2

   By my brain hurts, December 31, 2005
   • 29 replies
   • 6.1k views
   • 
   • Tormod
   • January 29, 2006

10. Planets in the solar system!

    By kingwinner, January 21, 2006
    • 9 replies
    • 2.4k views
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    • C1ay
    • January 27, 2006

11. Light Echos in Space

    By Pyrotex, January 25, 2006
    • 1 reply
    • 1.1k views
    • 
    • InfiniteNow
    • January 25, 2006

12. Project Andromeda

    By ryan2006, January 24, 2006
    • 0 replies
    • 2k views
    • 
    • ryan2006
    • January 24, 2006

13. Free Lunch

    By coldcreation, January 23, 2006
    • 3 replies
    • 1.2k views
    • 
    • coldcreation
    • January 23, 2006

14. Dimension-Shift Theory.

    By Tarantism, January 23, 2006
    • 0 replies
    • 3.2k views
    • 
    • Tarantism
    • January 23, 2006

15. High winds?

    By kingwinner, January 21, 2006
    • 2 replies
    • 1.4k views
    • 
    • dad2bkmj
    • January 22, 2006

16. Small Comets, Dr Louis Frank & Water In Space

    By John L, January 21, 2006
    • 0 replies
    • 3.7k views
    • 
    • John L
    • January 21, 2006

17. Travel to Mars in three hours?

    By armofreek, January 7, 2006
    • 14 replies
    • 4.1k views
    • 
    • arkain101
    • January 20, 2006

18. Space: STARS

    By kingwinner, January 18, 2006
    • 5 replies
    • 11.4k views
    • 
    • Jay-qu
    • January 18, 2006

19. Look - A Left Winger for me to hate.

    By TheFaithfulStone, January 17, 2006
    • 2 replies
    • 1.4k views
    • 
    • Pyrotex
    • January 17, 2006

20. Airship to Orbit?

    By TheFaithfulStone, January 3, 2006
    • 1 reply
    • 1.6k views
    • 
    • GAHD
    • January 3, 2006

21. Bent fourth dimension

    By Queso, December 17, 2005
    • 5 replies
    • 2k views
    • 
    • TheBigDog
    • January 1, 2006

22. Addendum to the Primoridal Atom

    By HydrogenBond, December 18, 2005
    • 4 replies
    • 1.4k views
    • 
    • TheBigDog
    • December 29, 2005

23. Why black holes are "black"

    By TheBigDog, December 24, 2005
    • 8 replies
    • 1.6k views
    • 
    • lindagarrette
    • December 27, 2005

24. Dimensions? 1 2

    By Tarantism, November 24, 2005
    • 29 replies
    • 3.8k views
    • 
    • Tarantism
    • December 22, 2005

25. Alien visitation 1 2

    By pie, September 29, 2005
    • 18 replies
    • 4.1k views
    • 
    • CHADS
    • December 14, 2005