Astronomy and Cosmology

3705 topics in this forum

1. T Pyxidis potential near supernova?

   By Martin, January 6, 2010
   • 3 replies
   • 1.9k views
   • 
   • Sisyphus
   • January 7, 2010

2. Betelgeuse might blow up.

   By Martin, June 22, 2009
   • 6 replies
   • 2.3k views
   • 
   • fottry55i6
   • January 7, 2010

3. Understanding Cosmology... According to Radio Lab

   By Chromed1, January 6, 2010
   • 1 reply
   • 776 views
   • 
   • liarliarpof
   • January 7, 2010

4. 5 new Exoplanets!

   By Arch2008, June 18, 2009
   • 19 replies
   • 3k views
   • 
   • Airbrush
   • January 6, 2010

5. Alas, poor Spirit...

   By Arch2008, January 5, 2010
   • 1 reply
   • 989 views
   • 
   • insane_alien
   • January 5, 2010

6. Arctic Mars pictures you won't believe

   By Martin, November 8, 2009
   • 10 replies
   • 2k views
   • 
   • boymc
   • January 3, 2010

7. Magnetosphere... is it constantly changing ?

   By Externet, December 29, 2009
   • 2 replies
   • 882 views
   • 
   • michel123456
   • December 29, 2009

8. Space Ends

   By spaceends, December 24, 2009
   • 17 replies
   • 2.9k views
   • 
   • swansont
   • December 28, 2009

9. Sun Glare

   By Proteus, December 27, 2009
   • 2 replies
   • 1.7k views
   • 
   • michel123456
   • December 27, 2009

10. Stars, lithium and exoplanets

    By Arch2008, December 10, 2009
    • 7 replies
    • 1.9k views
    • 
    • Widdekind
    • December 27, 2009

11. Evidence !!! Show me all the Evidence !!!

    By spaceends, December 24, 2009
    • 5 replies
    • 1.3k views
    • 
    • mooeypoo
    • December 24, 2009

12. Spiral Arms, Supernovae, & Mass Extinctions

    By Widdekind, December 17, 2009
    • 5 replies
    • 2.9k views
    • 
    • Widdekind
    • December 23, 2009

13. Explanation for Lunar Maria (??)

    By Widdekind, December 17, 2009
    • 12 replies
    • 2.6k views
    • 
    • Widdekind
    • December 22, 2009

14. Sun Travel

    By SKF, December 11, 2009
    • 23 replies
    • 3.1k views
    • 
    • iNow
    • December 20, 2009

15. Earthquake waves faster on Moon, Mars ??

    By Widdekind, October 31, 2009
    • 2 replies
    • 1.1k views
    • 
    • Widdekind
    • December 17, 2009

16. About Expanding Universe

    By johana, December 14, 2009
    • 4 replies
    • 1.4k views
    • 
    • mooeypoo
    • December 16, 2009

17. Dark Matter initial fluctuations (?)

    By Widdekind, December 15, 2009
    • 0 replies
    • 773 views
    • 
    • Widdekind
    • December 15, 2009

18. "Cold Space"

    By frosch45, December 2, 2009
    • 4 replies
    • 1.8k views
    • 
    • lakmilis
    • December 5, 2009

19. The universe is Euclidian.

    By gib65, November 28, 2009
    • 10 replies
    • 2.1k views
    • 
    • michel123456
    • December 1, 2009

20. Could this scenario occur!?

    By Drilon, November 7, 2009
    • 7 replies
    • 1.8k views
    • 
    • insane_alien
    • November 21, 2009

21. inflation

    By devrimci_kürt, November 18, 2009
    • 5 replies
    • 1.7k views
    • 
    • ajb
    • November 18, 2009

22. Solar Storm Will Wipe Out Telecom in 2012?

    By OSHMUNNIES, November 18, 2009
    • 1 reply
    • 901 views
    • 
    • Spyman
    • November 18, 2009

23. The Sun: Difference in the surface and corona temperature

    By CaptainPanic, November 6, 2009
    • 3 replies
    • 1.6k views
    • 
    • swansont
    • November 16, 2009

24. How come it's usually stated earth's axial tilt is 23.5 degrees?

    By mzatanoskas, November 15, 2009
    • 6 replies
    • 2.9k views
    • 
    • Ophiolite
    • November 15, 2009

25. What is the difference between Dark Matter and Dark Energy?

    By mlich, December 4, 2006
    • 5 replies
    • 2.3k views
    • 
    • Airbrush
    • November 13, 2009