Astronomy and Cosmology

3713 topics in this forum

1. Life inside a black hole???

   By 36grit, December 12, 2011
   • 6 replies
   • 1.7k views
   • 
   • Airbrush
   • December 16, 2011

2. 4.5 billion year old "space concrete"

   By Widdekind, December 15, 2011
   • 1 reply
   • 1.2k views
   • 
   • Ophiolite
   • December 15, 2011

3. astronomy and cosmology

   By gowtham, December 14, 2011
   • 4 replies
   • 1.4k views
   • 
   • JustinW
   • December 14, 2011

4. Possible explanation of dark matter

   By 36grit, October 28, 2011
   • 16 replies
   • 3.3k views
   • 
   • G Anthony
   • December 14, 2011

5. SETI and prime numbers

   By Greg Boyles, December 5, 2011
   • 23 replies
   • 4.9k views
   • 
   • Tres Juicy
   • December 13, 2011

6. Is expansion increasing or decreasing?

   By Fortnum, December 4, 2011
   • 14 replies
   • 2.2k views
   • 
   • JustinW
   • December 13, 2011

7. no "Cluster Cooling Flows" ?

   By Widdekind, December 12, 2011
   • 0 replies
   • 944 views
   • 
   • Widdekind
   • December 12, 2011

8. WMAP proves spacetime HAS BEEN flat ??

   By Widdekind, November 22, 2011
   • 17 replies
   • 4.8k views
   • 
   • guenter
   • December 8, 2011

9. Entropy / Chaos

   By Greg Boyles, December 6, 2011
   • 8 replies
   • 2.2k views
   • 
   • csmyth3025
   • December 6, 2011

10. dark matter and time?

    By bwalters1, November 17, 2011
    • 2 replies
    • 2.1k views
    • 
    • rabe
    • December 6, 2011

11. Inflation

    By Dynamotime, December 3, 2011
    • 3 replies
    • 1.4k views
    • 
    • Widdekind
    • December 5, 2011

12. Scale of Dark Energy

    By Airbrush, November 29, 2011
    • 2 replies
    • 1.2k views
    • 
    • Widdekind
    • December 5, 2011

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

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

14. magnetic clouds

    By 36grit, November 29, 2011
    • 0 replies
    • 716 views
    • 
    • 36grit
    • November 29, 2011

15. what we see 1 2 3

    By michel123456, November 13, 2011
    • 65 replies
    • 11.8k views
    • 
    • md65536
    • November 28, 2011

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

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

17. Globular Clusters Ages in Matter-dominated Cosmos

    By Widdekind, November 26, 2011
    • 2 replies
    • 988 views
    • 
    • Widdekind
    • November 27, 2011

18. trying to understand 'Dark Matter' halos ?

    By Widdekind, November 16, 2011
    • 3 replies
    • 1.5k views
    • 
    • b1a2s3a4l5t6e7
    • November 27, 2011

19. Black Hole Core Mystery 1 2

    By EWyatt, September 13, 2011
    • 47 replies
    • 7.1k views
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    • superball
    • November 22, 2011

20. Orbit

    By morgsboi, November 21, 2011
    • 5 replies
    • 1.1k views
    • 
    • morgsboi
    • November 22, 2011

21. origins of galactic black holes

    By 36grit, October 19, 2011
    • 2 replies
    • 1.1k views
    • 
    • *puffy* japanisthebest
    • November 20, 2011

22. Faster than light?

    By thomma, October 29, 2011
    • 7 replies
    • 1.9k views
    • 
    • *puffy* japanisthebest
    • November 20, 2011

23. LRO Image question

    By mooeypoo, November 19, 2011
    • 13 replies
    • 1.9k views
    • 
    • Appolinaria
    • November 20, 2011

24. Earth burning

    By powerstar, November 17, 2011
    • 5 replies
    • 1.3k views
    • 
    • insane_alien
    • November 18, 2011

25. Surface Gravity Versus Centrifugal Force

    By Elen Sila, September 3, 2011
    • 15 replies
    • 4.2k views
    • 
    • Larry1957
    • November 17, 2011