Astronomy and Cosmology

3713 topics in this forum

1. Is there such thing as infinite speed? 1 2

   By needimprovement, September 30, 2010
   • 26 replies
   • 5.7k views
   • 
   • newworldphysics
   • November 1, 2010

2. Expanding Universe Illusion Theory 1 2

   By John Phoenix, October 17, 2010
   • 32 replies
   • 7k views
   • 
   • Spyman
   • November 1, 2010

3. the fabric of the space-time continuum

   By japan rocks/andromeda, October 4, 2010
   • 7 replies
   • 2.6k views
   • 
   • imatfaal
   • October 31, 2010

4. time and dimensions

   By awlaskov, October 25, 2010
   • 2 replies
   • 1.3k views
   • 
   • lemur
   • October 31, 2010

5. Observable universe thought experiment

   By losfomot, October 25, 2010
   • 11 replies
   • 2.4k views
   • 
   • DanielC
   • October 31, 2010

6. Looking for some good beginner books

   By Danimals, October 28, 2010
   • 0 replies
   • 863 views
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   • Danimals
   • October 28, 2010

7. Dawn's approach to Vesta (orbit planned for August)

   By Martin, October 23, 2010
   • 2 replies
   • 1.8k views
   • 
   • Martin
   • October 28, 2010

8. More about "earth-like" planet Gliese 581g 1 2

   By Martin, September 30, 2010
   • 30 replies
   • 6.6k views
   • 
   • Cap'n Refsmmat
   • October 26, 2010

9. The expansion of universe? 1 2

   By Almehdi, October 20, 2010
   • 30 replies
   • 5.4k views
   • 
   • Almehdi
   • October 26, 2010

10. civilization

    By MRlogic, September 27, 2010
    • 17 replies
    • 3.4k views
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    • awlaskov
    • October 24, 2010

11. The beginning of physical objects

    By John Jones, October 23, 2010
    • 2 replies
    • 1k views
    • 
    • DanielC
    • October 23, 2010

12. A question about black holes

    By Equilibrium, October 19, 2010
    • 10 replies
    • 2.3k views
    • 
    • lemur
    • October 22, 2010

13. A question about the Big Crunch scenario

    By The 321 Anomaly, October 17, 2010
    • 1 reply
    • 1.1k views
    • 
    • Martin
    • October 17, 2010

14. Two new binary quasars discovered

    By Martin, July 23, 2010
    • 2 replies
    • 1.4k views
    • 
    • Airbrush
    • October 16, 2010

15. Cosmology

    By Aubrey, October 14, 2010
    • 1 reply
    • 1.3k views
    • 
    • swansont
    • October 14, 2010

16. how does it be

    By japan rocks/andromeda, October 4, 2010
    • 14 replies
    • 2.9k views
    • 
    • DanielC
    • October 10, 2010

17. Hawking "Grand Design" tinny and inelegant

    By Martin, September 7, 2010
    • 11 replies
    • 3.8k views
    • 
    • DanielC
    • October 9, 2010

18. does all of the laws apply on other planets

    By japan rocks/andromeda, October 4, 2010
    • 7 replies
    • 2.1k views
    • 
    • ajb
    • October 6, 2010

19. ceres

    By japan rocks/andromeda, October 4, 2010
    • 4 replies
    • 1.6k views
    • 
    • DanielC
    • October 4, 2010

20. How did everything fit in such small space/spot?

    By Dav333, September 29, 2010
    • 16 replies
    • 2.4k views
    • 
    • michel123456
    • October 4, 2010

21. FYI: World Space Week

    By Arch2008, October 4, 2010
    • 0 replies
    • 666 views
    • 
    • Arch2008
    • October 4, 2010

22. How do comets form??

    By Maximus Semprus Veridius, September 21, 2010
    • 10 replies
    • 4.9k views
    • 
    • DanielC
    • October 3, 2010

23. Misconception About the Big Bang Theory

    By Serena2003, October 1, 2010
    • 6 replies
    • 1.8k views
    • 
    • insane_alien
    • October 2, 2010

24. Space beer headed for zero gravity bar

    By needimprovement, September 30, 2010
    • 0 replies
    • 707 views
    • 
    • needimprovement
    • September 30, 2010

25. Where did all the early matter go? Now just Radiation?

    By Dav333, September 29, 2010
    • 2 replies
    • 875 views
    • 
    • lemur
    • September 29, 2010