Astronomy and Cosmology

3688 topics in this forum

1. time and space

   By *puffy* japanisthebest, May 11, 2011
   • 1 reply
   • 1.5k views
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   • Spyman
   • May 11, 2011

2. My ameteur article

   By RedmanBrendan, May 17, 2011
   • 1 reply
   • 1k views
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   • Realitycheck
   • May 17, 2011

3. Two Jovians around a tight binary star system

   By baric, June 15, 2011
   • 1 reply
   • 1.3k views
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   • Ophiolite
   • June 15, 2011

4. "Dark Disc galaxy" in Virgo cluster +50 Mly

   By Widdekind, July 7, 2011
   • 1 reply
   • 2.8k views
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   • Widdekind
   • July 7, 2011

5. sun poles reverse

   By Athena, July 18, 2011
   • 1 reply
   • 1.3k views
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   • csmyth3025
   • July 18, 2011

6. GRB jet generation mechanism ?

   By Widdekind, July 1, 2011
   • 1 reply
   • 1.7k views
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   • Widdekind
   • July 21, 2011

7. Neutrino Oscillations evolve with Redshift ?

   By Widdekind, July 21, 2011
   • 1 reply
   • 1k views
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   • pantheory
   • July 22, 2011

8. Into The Universe with Stephen Hawking

   By Airbrush, July 26, 2011
   • 1 reply
   • 1.2k views
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   • Realitycheck
   • July 27, 2011

9. My dad bought a meteorite on ebay

   By maddognoland, August 8, 2011
   • 1 reply
   • 828 views
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   • imatfaal
   • August 9, 2011

10. Black holes = white holes?

    By Moontanman, August 18, 2011
    • 1 reply
    • 1.5k views
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    • Spyman
    • August 19, 2011

11. Critique of the Universe

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

12. Light after Sight?

    By ansurette, September 8, 2011
    • 1 reply
    • 899 views
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    • Realitycheck
    • September 8, 2011

13. Mordehai Milgrom Discovered the Hyperbolic Black-Hole Galactic Gravitational Field Effect

    By Gary Anthony Kent, September 15, 2011
    • 1 reply
    • 1.2k views
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    • swansont
    • September 15, 2011

14. How do we know at all what "should" have happened at the big bang?

    By questionposter, September 26, 2011
    • 1 reply
    • 818 views
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    • Schrödinger's hat
    • September 26, 2011

15. "Headlight" effects in Accretion Disks ?

    By Widdekind, October 1, 2011
    • 1 reply
    • 858 views
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    • Enthalpy
    • October 2, 2011

16. 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

17. First stars from collision-triggered collapses ?

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

18. Low Gravity effects on animals

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

19. Universe Maps

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

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

    By Widdekind, November 13, 2011
    • 1 reply
    • 1.5k views
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    • pantheory
    • November 15, 2011

21. Jupiter

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

22. Inflation, the hyperbolic black-hole field effect and the fate of the universe

    By G Anthony, November 26, 2011
    • 1 reply
    • 925 views
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    • G Anthony
    • November 27, 2011

23. % of dark matter in a 6 billion years old universe

    By Dynamotime, December 1, 2011
    • 1 reply
    • 1.2k views
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    • Dynamotime
    • December 3, 2011

24. 4.5 billion year old "space concrete"

    By Widdekind, December 15, 2011
    • 1 reply
    • 1.1k views
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    • Ophiolite
    • December 15, 2011

25. "Star Destroyer" beams possible ?

    By Widdekind, January 3, 2012
    • 1 reply
    • 1k views
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    • mathematic
    • January 4, 2012