Astronomy and Cosmology

3713 topics in this forum

1. Jupiter

   By powerstar, November 16, 2011
   • 1 reply
   • 935 views
   • 
   • imatfaal
   • November 16, 2011

2. Jupiter

   By ads8525, April 3, 2008
   • 10 replies
   • 2.5k views
   • 
   • Arch2008
   • November 16, 2011

3. 'clumpy' cosmos expands non-uniformly ??

   By Widdekind, November 13, 2011
   • 1 reply
   • 1.6k views
   • 
   • pantheory
   • November 15, 2011

4. N Dimensions

   By Ashish, February 14, 2010
   • 9 replies
   • 2.1k views
   • 
   • Sagar Gorijala
   • November 14, 2011

5. Looking at the past

   By morgsboi, November 5, 2011
   • 18 replies
   • 2.8k views
   • 
   • Summerwind
   • November 10, 2011

6. communicating with an extraterrestrial civilisation 1 2 3 4

   By JohnF, March 5, 2008
   • 77 replies
   • 11.3k views
   • 
   • Widdekind
   • November 9, 2011

7. Universe Maps

   By eaknarak, November 5, 2011
   • 1 reply
   • 1k views
   • 
   • granpa
   • November 6, 2011

8. Highest Temperature Possible

   By Airbrush, November 2, 2011
   • 19 replies
   • 4.9k views
   • 
   • Iggy
   • November 4, 2011

9. another article on the cosmo constant not bein constant

   By 36grit, November 2, 2011
   • 2 replies
   • 1.2k views
   • 
   • 36grit
   • November 3, 2011

10. A galaxie from embrio to fetus

    By 36grit, October 28, 2011
    • 6 replies
    • 1.9k views
    • 
    • Realitycheck
    • November 1, 2011

11. black hole and dark matter interaction

    By hewj11, October 22, 2011
    • 4 replies
    • 1.4k views
    • 
    • mathematic
    • October 28, 2011

12. Bell Island Boom

    By morgsboi, October 27, 2011
    • 0 replies
    • 2.4k views
    • 
    • morgsboi
    • October 27, 2011

13. Stellar cores - how hot really?

    By seriously disabled, October 19, 2011
    • 9 replies
    • 2.1k views
    • 
    • Airbrush
    • October 27, 2011

14. Lightning from cosmic rays

    By 36grit, October 26, 2011
    • 5 replies
    • 1.8k views
    • 
    • questionposter
    • October 27, 2011

15. Black WHole

    By 0.0001 mass, October 22, 2011
    • 19 replies
    • 2.9k views
    • 
    • 0.0001 mass
    • October 26, 2011

16. Black Hole Power

    By transhuman, October 25, 2011
    • 6 replies
    • 1.7k views
    • 
    • baric
    • October 25, 2011

17. Who the heck is Pascual Jordan?

    By Aristarchus in Exile, October 21, 2011
    • 3 replies
    • 2k views
    • 
    • DrRocket
    • October 24, 2011

18. Space

    By pink_trike, February 22, 2011
    • 17 replies
    • 3.5k views
    • 
    • Aristarchus in Exile
    • October 22, 2011

19. Dark Matter

    By degree451, October 10, 2011
    • 7 replies
    • 1.6k views
    • 
    • Bart
    • October 20, 2011

20. time travel

    By The 321 Anomaly, July 15, 2011
    • 24 replies
    • 4.9k views
    • 
    • Aristarchus in Exile
    • October 20, 2011

21. How big would a star have to be to instantly explode?

    By 36grit, October 20, 2011
    • 2 replies
    • 1.3k views
    • 
    • baric
    • October 20, 2011

22. dust and gas around black holes

    By 36grit, October 18, 2011
    • 6 replies
    • 1.8k views
    • 
    • *puffy* japanisthebest
    • October 19, 2011

23. Heavy elements ?

    By Dart15, October 13, 2011
    • 8 replies
    • 2k views
    • 
    • Genius13
    • October 18, 2011

24. Why Don't All Moons Orbit Retrograde?

    By Elen Sila, September 5, 2011
    • 11 replies
    • 2.6k views
    • 
    • matterdoc
    • October 18, 2011

25. Heliocentric theory disproved

    By alanpartridge, March 11, 2011
    • 3 replies
    • 3.8k views
    • 
    • michel123456
    • October 17, 2011