Astronomy and Cosmology

3712 topics in this forum

1. Why is the universe asymmetrical instead of symmetrical?

   By Alan McDougall, July 1, 2012
   • 5 replies
   • 1.7k views
   • 
   • CaptainPanic
   • July 9, 2012

2. Big Bang

   By David Levy, July 2, 2012
   • 7 replies
   • 2.5k views
   • 
   • Severian
   • July 9, 2012

3. Nothing or something? 1 2

   By mr.spaceman, July 1, 2012
   • 32 replies
   • 4.6k views
   • 
   • hypervalent_iodine
   • July 9, 2012

4. Higgs Boson Discovered

   By Airbrush, July 8, 2012
   • 1 reply
   • 1.2k views
   • 
   • space noob
   • July 8, 2012

5. In the absence of a heat source how long would it take for the earth to freeze solid? 1 2

   By Alan McDougall, July 1, 2012
   • 26 replies
   • 5.2k views
   • 
   • J.C.MacSwell
   • July 5, 2012

6. Range of the electromagnetic waves?

   By dapifo, June 28, 2012
   • 17 replies
   • 2.4k views
   • 
   • dapifo
   • July 5, 2012

7. Finite or infinite Universe 1 2

   By mr.spaceman, July 1, 2012
   • 25 replies
   • 3.9k views
   • 
   • mr.spaceman
   • July 4, 2012

8. Helium dense zone within the Heliosphere

   By rangertab1, July 1, 2012
   • 0 replies
   • 824 views
   • 
   • rangertab1
   • July 1, 2012

9. How did time flow at the moment of the Big Bang?

   By Alan McDougall, June 30, 2012
   • 20 replies
   • 2.4k views
   • 
   • Alan McDougall
   • July 1, 2012

10. Cyclic models and set theory....

    By _heretic, May 26, 2012
    • 4 replies
    • 1.7k views
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    • robheus
    • June 30, 2012

11. universe using faces to kill shock

    By iwasbitten, June 30, 2012
    • 1 reply
    • 1.4k views
    • 
    • Klaynos
    • June 30, 2012

12. Light years and real time

    By faslan, June 29, 2012
    • 1 reply
    • 873 views
    • 
    • Spyman
    • June 29, 2012

13. Why would the uniform expansion of space produce redshift?

    By Aiden, June 28, 2012
    • 2 replies
    • 905 views
    • 
    • Greg H.
    • June 28, 2012

14. Globular Clusters confirm DM simulations ??

    By Widdekind, April 24, 2011
    • 8 replies
    • 3.5k views
    • 
    • Widdekind
    • June 26, 2012

15. Dark energy

    By too-open-minded, June 19, 2012
    • 7 replies
    • 1.6k views
    • 
    • dimreepr
    • June 24, 2012

16. Solar system

    By eric555, June 22, 2012
    • 9 replies
    • 1.9k views
    • 
    • hypervalent_iodine
    • June 24, 2012

17. Terraforming nearby planets 1 2 3 4

    By TransformerRobot, May 23, 2012
    • 93 replies
    • 12.8k views
    • 
    • D H
    • June 24, 2012

18. Zero Total Energy

    By Polednice, June 2, 2012
    • 24 replies
    • 3.6k views
    • 
    • Aethelwulf
    • June 22, 2012

19. Hubble-class spy satellites donated to NASA.

    By Robert Clark, June 13, 2012
    • 1 reply
    • 1.4k views
    • 
    • Enthalpy
    • June 22, 2012

20. Flat Geometry and the WDW Equation

    By Aethelwulf, June 21, 2012
    • 0 replies
    • 1.1k views
    • 
    • Aethelwulf
    • June 21, 2012

21. Disadvantages/ Disproving Dark Matter and Energy?

    By CherryTarantino, June 21, 2012
    • 4 replies
    • 2.7k views
    • 
    • zapatos
    • June 21, 2012

22. How do I go about learning astrophysics?

    By Ottahhh, June 20, 2012
    • 10 replies
    • 9k views
    • 
    • Ophiolite
    • June 21, 2012

23. Kepler Mission Extended to 2016

    By Airbrush, June 19, 2012
    • 0 replies
    • 914 views
    • 
    • Airbrush
    • June 19, 2012

24. Middle of the universe 1 2 3 4 5

    By caharris, June 4, 2011
    • 119 replies
    • 18.1k views
    • 
    • Aethelwulf
    • June 19, 2012

25. Definitions

    By uncool, June 17, 2012
    • 2 replies
    • 1.1k views
    • 
    • J.C.MacSwell
    • June 17, 2012