Astronomy and Cosmology

3705 topics in this forum

1. Critique of the Universe

   By G Anthony, September 8, 2011
   • 1 reply
   • 911 views
   • 
   • swansont
   • September 8, 2011

2. Many of the therapies of alternative cosmology really work too

   By G Anthony, September 8, 2011
   • 0 replies
   • 678 views
   • 
   • G Anthony
   • September 8, 2011

3. Big bang / Big crunch 1 2

   By DevilSolution, May 11, 2011
   • 29 replies
   • 5.7k views
   • 
   • csmyth3025
   • September 7, 2011

4. Gravity

   By science worm, August 28, 2011
   • 8 replies
   • 2.3k views
   • 
   • csmyth3025
   • September 6, 2011

5. Why do bigger planets have shorter days?

   By dstebbins, August 26, 2011
   • 3 replies
   • 12.8k views
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   • khaled
   • September 5, 2011

6. Big Bang

   By Realitycheck, September 3, 2011
   • 6 replies
   • 1.8k views
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   • csmyth3025
   • September 4, 2011

7. how big is the universe?

   By science fan, June 20, 2011
   • 18 replies
   • 3.6k views
   • 
   • csmyth3025
   • September 4, 2011

8. Question about Mars core

   By supermanpj4444, August 27, 2011
   • 6 replies
   • 1.8k views
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   • baric
   • September 4, 2011

9. effects of Metallicity on stars ?

   By Widdekind, August 23, 2011
   • 3 replies
   • 4k views
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   • Enthalpy
   • September 2, 2011

10. Density of the sun's interior

    By Realitycheck, August 31, 2011
    • 2 replies
    • 1.7k views
    • 
    • imatfaal
    • September 1, 2011

11. SUPERNICHTS?

    By Aguirre, August 8, 2011
    • 5 replies
    • 2k views
    • 
    • IM Egdall
    • August 31, 2011

12. Orbital Resonances

    By Elen Sila, August 30, 2011
    • 3 replies
    • 1.7k views
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    • csmyth3025
    • August 31, 2011

13. Why Is Finding The Higgs essential to the Standard Model?

    By boronbrad, August 30, 2011
    • 3 replies
    • 1.2k views
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    • MigL
    • August 30, 2011

14. Are BHs orbited, at Event Horizon, by "light rings" ?

    By Widdekind, August 18, 2011
    • 5 replies
    • 1.7k views
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    • pantheory
    • August 26, 2011

15. De-orbiting Asteroids to earth's moon

    By Widdekind, April 27, 2011
    • 17 replies
    • 5.2k views
    • 
    • Widdekind
    • August 26, 2011

16. Was The CMB Ever Visible?

    By Keydar, August 23, 2011
    • 7 replies
    • 4k views
    • 
    • MigL
    • August 25, 2011

17. Astrophysical Jets driven by Magnetic Fields ?

    By Widdekind, August 24, 2011
    • 0 replies
    • 1.1k views
    • 
    • Widdekind
    • August 24, 2011

18. Young Black Hole

    By dazed, November 17, 2010
    • 20 replies
    • 3.9k views
    • 
    • csmyth3025
    • August 23, 2011

19. Cloud bands on Jupiter

    By Gareth56, August 21, 2011
    • 2 replies
    • 2.2k views
    • 
    • Gareth56
    • August 22, 2011

20. Black Holes and Gravity

    By sansavis, August 22, 2011
    • 5 replies
    • 1.7k views
    • 
    • csmyth3025
    • August 22, 2011

21. Herschel Space telescope

    By Dishmaster, July 31, 2011
    • 23 replies
    • 3.3k views
    • 
    • Dishmaster
    • August 19, 2011

22. Black holes = white holes?

    By Moontanman, August 18, 2011
    • 1 reply
    • 1.6k views
    • 
    • Spyman
    • August 19, 2011

23. are there He-core WDs ??

    By Widdekind, August 11, 2011
    • 5 replies
    • 1.7k views
    • 
    • Widdekind
    • August 19, 2011

24. Quantum FX in Magnetars ??

    By Widdekind, August 15, 2011
    • 2 replies
    • 1.4k views
    • 
    • Widdekind
    • August 18, 2011

25. Is the expansion of the Universe limited to voids? 1 2

    By Rolando, July 31, 2011
    • 33 replies
    • 6.1k views
    • 
    • questionposter
    • August 13, 2011