Astronomy and Cosmology

3685 topics in this forum

1. Earth flyover by International Space Station

   By Atmospheric, September 26, 2011
   • 0 replies
   • 875 views
   • 
   • Atmospheric
   • September 26, 2011

2. Retrograde Motion

   By Noza, October 6, 2011
   • 0 replies
   • 638 views
   • 
   • Noza
   • October 6, 2011

3. Bell Island Boom

   By morgsboi, October 27, 2011
   • 0 replies
   • 2.3k views
   • 
   • morgsboi
   • October 27, 2011

4. magnetic clouds

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

5. no "Cluster Cooling Flows" ?

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

6. Particle horizon in Lemaître model

   By EhsanZ, December 18, 2011
   • 0 replies
   • 589 views
   • 
   • EhsanZ
   • December 18, 2011

7. trying to understand "Hyashi tracks" ?

   By Widdekind, December 23, 2011
   • 0 replies
   • 902 views
   • 
   • Widdekind
   • December 23, 2011

8. building big radio dishes, e.g. China's 500m FAST?

   By Widdekind, December 28, 2011
   • 0 replies
   • 736 views
   • 
   • Widdekind
   • December 28, 2011

9. Norbert Weiner statement on infromation

   By universeandmatter, January 17, 2012
   • 0 replies
   • 643 views
   • 
   • universeandmatter
   • January 17, 2012

10. can SMBH "squeeze stars" to explode ?

    By Widdekind, January 25, 2012
    • 0 replies
    • 878 views
    • 
    • Widdekind
    • January 25, 2012

11. Clearsky Reclamation Sciences Business Plan (yeah, right)

    By Realitycheck, January 27, 2012
    • 0 replies
    • 823 views
    • 
    • Realitycheck
    • January 27, 2012

12. A new supernova in Messier 95

    By ACG52, March 23, 2012
    • 0 replies
    • 1k views
    • 
    • ACG52
    • March 23, 2012

13. Kepler Mission Extended to 2016

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

14. Flat Geometry and the WDW Equation

    By Aethelwulf, June 21, 2012
    • 0 replies
    • 998 views
    • 
    • Aethelwulf
    • June 21, 2012

15. Helium dense zone within the Heliosphere

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

16. Sessile drop surface tension

    By hhadisi, August 6, 2012
    • 0 replies
    • 961 views
    • 
    • hhadisi
    • August 6, 2012

17. how many dead stars

    By jatmacha, August 24, 2012
    • 0 replies
    • 677 views
    • 
    • jatmacha
    • August 24, 2012

18. The Origin of the Universe

    By deepnessdawn, September 12, 2012
    • 0 replies
    • 705 views
    • 
    • deepnessdawn
    • September 12, 2012

19. Dark energy as vacuum fluctuations of photons?

    By IM Egdall, September 27, 2012
    • 0 replies
    • 917 views
    • 
    • IM Egdall
    • September 27, 2012

20. Hot Jupiters have mis-aligned orbits ?

    By Widdekind, October 1, 2012
    • 0 replies
    • 975 views
    • 
    • Widdekind
    • October 1, 2012

21. bound un-bound gas clouds ??

    By Widdekind, October 12, 2012
    • 0 replies
    • 604 views
    • 
    • Widdekind
    • October 12, 2012

22. Integrating Irregulars into Hubble Sequence ?

    By Widdekind, November 23, 2012
    • 0 replies
    • 832 views
    • 
    • Widdekind
    • November 23, 2012

23. 3-body Problem

    By fvicaria, November 28, 2012
    • 0 replies
    • 636 views
    • 
    • fvicaria
    • November 28, 2012

24. WMAP polarization data vs. Quasar spectra?

    By Widdekind, December 1, 2012
    • 0 replies
    • 988 views
    • 
    • Widdekind
    • December 1, 2012

25. cosmic density perturbations grow with time ?

    By Widdekind, December 11, 2012
    • 0 replies
    • 622 views
    • 
    • Widdekind
    • December 11, 2012