Astronomy and Cosmology

3705 topics in this forum

1. another article on the cosmo constant not bein constant

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

2. A galaxie from embrio to fetus

   By 36grit, October 28, 2011
   • 6 replies
   • 1.8k views
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   • Realitycheck
   • November 1, 2011

3. black hole and dark matter interaction

   By hewj11, October 22, 2011
   • 4 replies
   • 1.3k views
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   • mathematic
   • October 28, 2011

4. Bell Island Boom

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

5. Stellar cores - how hot really?

   By seriously disabled, October 19, 2011
   • 9 replies
   • 2k views
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   • Airbrush
   • October 27, 2011

6. Lightning from cosmic rays

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

7. Black WHole

   By 0.0001 mass, October 22, 2011
   • 19 replies
   • 2.7k views
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   • 0.0001 mass
   • October 26, 2011

8. Black Hole Power

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

9. Who the heck is Pascual Jordan?

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

10. Space

    By pink_trike, February 22, 2011
    • 17 replies
    • 3.2k views
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    • Aristarchus in Exile
    • October 22, 2011

11. Dark Matter

    By degree451, October 10, 2011
    • 7 replies
    • 1.5k views
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    • Bart
    • October 20, 2011

12. time travel

    By The 321 Anomaly, July 15, 2011
    • 24 replies
    • 4.5k views
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    • Aristarchus in Exile
    • October 20, 2011

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

    By 36grit, October 20, 2011
    • 2 replies
    • 1.2k views
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    • baric
    • October 20, 2011

14. dust and gas around black holes

    By 36grit, October 18, 2011
    • 6 replies
    • 1.7k views
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    • *puffy* japanisthebest
    • October 19, 2011

15. Heavy elements ?

    By Dart15, October 13, 2011
    • 8 replies
    • 1.9k views
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    • Genius13
    • October 18, 2011

16. Why Don't All Moons Orbit Retrograde?

    By Elen Sila, September 5, 2011
    • 11 replies
    • 2.4k views
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    • matterdoc
    • October 18, 2011

17. Heliocentric theory disproved

    By alanpartridge, March 11, 2011
    • 3 replies
    • 3.7k views
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    • michel123456
    • October 17, 2011

18. my thoughts on these theories... 1 2

    By jorden, September 28, 2011
    • 44 replies
    • 6.1k views
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    • Phi for All
    • October 17, 2011

19. Low Gravity effects on animals

    By deltabomber, October 17, 2011
    • 1 reply
    • 802 views
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    • Schrödinger's hat
    • October 17, 2011

20. First stars from collision-triggered collapses ?

    By Widdekind, October 4, 2011
    • 1 reply
    • 704 views
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    • Widdekind
    • October 9, 2011

21. Shouldn't planets have no core (just shell?)

    By mcpng, October 2, 2011
    • 9 replies
    • 1.5k views
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    • Schrödinger's hat
    • October 8, 2011

22. Need software to Track UARS as it crashes

    By John Phoenix, September 23, 2011
    • 1 reply
    • 1.3k views
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    • rktpro
    • October 7, 2011

23. Retrograde Motion

    By Noza, October 6, 2011
    • 0 replies
    • 666 views
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    • Noza
    • October 6, 2011

24. Carl Sagan Tribute

    By BoatsnHoes, October 5, 2011
    • 2 replies
    • 1.2k views
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    • StringJunky
    • October 5, 2011

25. Nobel in Physics tomorrow (4 Oct) any guesses?

    By Martin, October 3, 2005
    • 13 replies
    • 2k views
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    • Locrian
    • October 4, 2011