Astronomy and Cosmology

3713 topics in this forum

1. The Perpetual Black Donut Theory

   By Lkreyna2, October 19, 2009
   • 0 replies
   • 910 views
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   • Lkreyna2
   • October 19, 2009

2. Membranes in hyperspace?

   By altairpilot, October 9, 2009
   • 2 replies
   • 1.6k views
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   • shawn77
   • October 17, 2009

3. Surgestions about the entropy of a pulsat.universe.

   By Christian Feldm, October 15, 2009
   • 0 replies
   • 792 views
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   • Christian Feldm
   • October 15, 2009

4. Location of VY CM

   By altairpilot, October 9, 2009
   • 15 replies
   • 2.3k views
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   • Mr Skeptic
   • October 12, 2009

5. Saving the World

   By Airbrush, September 15, 2009
   • 13 replies
   • 2.2k views
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   • Airbrush
   • October 10, 2009

6. Supermassive blackholes

   By The Peon, October 9, 2009
   • 1 reply
   • 789 views
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   • Mr Skeptic
   • October 10, 2009

7. The End of Space/Parallel Universe

   By whatliesbeyond?, October 6, 2009
   • 2 replies
   • 1.2k views
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   • iPeppers
   • October 7, 2009

8. questions about heliosphere

   By jamesgunasekera, October 5, 2009
   • 3 replies
   • 997 views
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   • Ophiolite
   • October 5, 2009

9. Gravitational redshift

   By Peron, October 2, 2009
   • 5 replies
   • 1.6k views
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   • insane_alien
   • October 4, 2009

10. A part of gravity that doesn't make sense to me.

    By NIN, November 16, 2008
    • 12 replies
    • 2.5k views
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    • D H
    • October 4, 2009

11. Whether I have made opening?

    By Krupin, October 3, 2009
    • 0 replies
    • 865 views
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    • Krupin
    • October 3, 2009

12. Big Bang paradox

    By purintjp, May 8, 2009
    • 22 replies
    • 3.9k views
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    • purintjp
    • October 2, 2009

13. The Black Hole Theory has a couple holes...

    By SilverRevlis, September 4, 2009
    • 11 replies
    • 2.5k views
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    • Edtharan
    • October 1, 2009

14. Going out on a limb with parallel universes, gravitons and probability expansion!

    By rrw4rusty, October 1, 2009
    • 1 reply
    • 1.1k views
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    • Arch2008
    • October 1, 2009

15. Gravity as an effect of quantum entanglement?

    By axenome, October 1, 2009
    • 1 reply
    • 1.6k views
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    • swansont
    • October 1, 2009

16. Expanding space ?

    By Dart15, September 1, 2009
    • 12 replies
    • 2.5k views
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    • rrw4rusty
    • October 1, 2009

17. Question on gravity/bending of space/time...

    By rrw4rusty, September 30, 2009
    • 3 replies
    • 1.1k views
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    • Arch2008
    • September 30, 2009

18. Ice on Mars, 1- 3 meters below surface

    By Martin, September 26, 2009
    • 0 replies
    • 922 views
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    • Martin
    • September 26, 2009

19. Swarzschild radius for universe

    By elligatr, September 24, 2009
    • 2 replies
    • 1.1k views
    • 
    • ajb
    • September 25, 2009

20. Object identification

    By purintjp, September 20, 2009
    • 4 replies
    • 1.1k views
    • 
    • DrP
    • September 21, 2009

21. Should mars really be black? Astronomy Now article

    By h4tt3n, September 19, 2009
    • 1 reply
    • 785 views
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    • insane_alien
    • September 19, 2009

22. Dark matter theory resolved or just a new theory? you be the judge

    By tbraun, August 30, 2009
    • 4 replies
    • 1.5k views
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    • Widdekind
    • September 19, 2009

23. ESO site

    By Arch2008, September 17, 2009
    • 0 replies
    • 708 views
    • 
    • Arch2008
    • September 17, 2009

24. Quasars show range of Luminosities ?

    By Widdekind, September 4, 2009
    • 6 replies
    • 1.8k views
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    • Airbrush
    • September 11, 2009

25. Antimatter/Matter

    By nchen24, September 9, 2009
    • 8 replies
    • 1.6k views
    • 
    • Airbrush
    • September 11, 2009