Astronomy and Cosmology

3708 topics in this forum

1. Origins, emergence and eschatology of the Universe: Dark Energy & Dark Matter

   By G Anthony, December 14, 2011
   • 5 replies
   • 1.8k views
   • 
   • Bart
   • March 10, 2012

2. New goldilocks planet found dubbed the name Planet G!

   By moonjelly<3, March 9, 2012
   • 3 replies
   • 1.2k views
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   • Widdekind
   • March 10, 2012

3. Death by gamma ray bursts?

   By moonjelly<3, March 8, 2012
   • 2 replies
   • 1.5k views
   • 
   • Airbrush
   • March 8, 2012

4. Hot Jupiters formed cold ?

   By Widdekind, September 22, 2011
   • 13 replies
   • 4.1k views
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   • Widdekind
   • March 4, 2012

5. The moon

   By morgsboi, February 25, 2012
   • 21 replies
   • 2.7k views
   • 
   • ajb
   • March 2, 2012

6. What do you think about sending radioactive waste to sun...?

   By Ikabot, February 20, 2012
   • 21 replies
   • 2.6k views
   • 
   • John Cuthber
   • March 2, 2012

7. Faster than light?

   By *puffy* japanisthebest, February 6, 2012
   • 4 replies
   • 1.6k views
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   • Airbrush
   • March 1, 2012

8. Is a time machine possible? 1 2 3

   By Chap, January 22, 2012
   • 52 replies
   • 8.9k views
   • 
   • zapatos
   • March 1, 2012

9. Speed of a rocket

   By Gozzer101, January 2, 2012
   • 5 replies
   • 1.8k views
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   • JohnStu
   • March 1, 2012

10. Multiple images of same galaxies?

    By Jiggerj, February 5, 2012
    • 20 replies
    • 3.1k views
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    • zapatos
    • February 29, 2012

11. Gravity, Space Time, Black Holes, 5th Dimension and Big Bang

    By arobertson1, February 17, 2012
    • 4 replies
    • 1.4k views
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    • JohnStu
    • February 29, 2012

12. Matter Deficit in Universe?

    By Jiggerj, February 5, 2012
    • 9 replies
    • 2k views
    • 
    • Moontanman
    • February 29, 2012

13. Stephen Hawking retracted his paradoxical view 1 2

    By G Anthony, September 8, 2011
    • 38 replies
    • 8.6k views
    • 
    • JohnStu
    • February 29, 2012

14. The Sun

    By homie12, February 5, 2012
    • 16 replies
    • 2.6k views
    • 
    • JohnStu
    • February 29, 2012

15. Black Hole Thermodynamics

    By shepherd, February 20, 2012
    • 9 replies
    • 1.4k views
    • 
    • DrRocket
    • February 29, 2012

16. Muitiple Universes In The Same Space?

    By Some "Genius", December 5, 2011
    • 20 replies
    • 3.2k views
    • 
    • JohnStu
    • February 28, 2012

17. Rhawn Joseph

    By panstein, February 27, 2012
    • 1 reply
    • 1.5k views
    • 
    • Phi for All
    • February 27, 2012

18. Big Bang and only 14 billion years? 1 2

    By Jiggerj, February 15, 2012
    • 40 replies
    • 5.5k views
    • 
    • Phi for All
    • February 19, 2012

19. Keplers Laws.

    By SweetScientist, February 15, 2012
    • 12 replies
    • 1.6k views
    • 
    • PaulS1950
    • February 19, 2012

20. Why does gravity create discs?

    By dimreepr, February 9, 2012
    • 2 replies
    • 1.1k views
    • 
    • Keenidiot
    • February 9, 2012

21. Judging Jupiter's distance in the 1600's

    By Jiggerj, January 31, 2012
    • 12 replies
    • 2.2k views
    • 
    • Jiggerj
    • February 8, 2012

22. How do they know it?

    By Airbrush, February 2, 2012
    • 14 replies
    • 2.3k views
    • 
    • imatfaal
    • February 7, 2012

23. My theory to the Universe

    By ncook90, January 25, 2012
    • 5 replies
    • 1.5k views
    • 
    • Jiggerj
    • February 5, 2012

24. Only steps away from the Void

    By PhysicsBurger, February 4, 2012
    • 2 replies
    • 997 views
    • 
    • PhysicsBurger
    • February 5, 2012

25. Simple question

    By akash shrestha, January 12, 2012
    • 10 replies
    • 1.9k views
    • 
    • mathematic
    • February 5, 2012