Astronomy and Cosmology

3713 topics in this forum

1. Super-massive Black holes: What's the mystery?

   By jryan, April 8, 2010
   • 6 replies
   • 1.5k views
   • 
   • Airbrush
   • April 10, 2010

2. Curvature and spatial closure of the universe.

   By Dr. Jekyll, August 13, 2009
   • 6 replies
   • 2.9k views
   • 
   • Widdekind
   • April 10, 2010

3. Venus' ancient oceans

   By VedekPako, April 6, 2010
   • 3 replies
   • 1.4k views
   • 
   • Airbrush
   • April 7, 2010

4. Simulating various spacetime topologies ?

   By Widdekind, April 7, 2010
   • 0 replies
   • 627 views
   • 
   • Widdekind
   • April 7, 2010

5. Asteroid?

   By Gareth56, April 1, 2010
   • 6 replies
   • 1.5k views
   • 
   • Gareth56
   • April 6, 2010

6. Observing from Mauna Kea

   By Robin Hood, April 3, 2010
   • 0 replies
   • 822 views
   • 
   • Robin Hood
   • April 3, 2010

7. What news from the LHC?

   By Airbrush, April 2, 2010
   • 8 replies
   • 1.4k views
   • 
   • insane_alien
   • April 3, 2010

8. galileo's moon

   By ishmael, April 3, 2010
   • 2 replies
   • 1.4k views
   • 
   • Moontanman
   • April 3, 2010

9. sun

   By japan rocks/andromeda, March 28, 2010
   • 6 replies
   • 1.7k views
   • 
   • michel123456
   • April 1, 2010

10. What is dark matter doing here

    By japan rocks/andromeda, March 27, 2010
    • 10 replies
    • 2.1k views
    • 
    • Airbrush
    • March 31, 2010

11. What is out there

    By japan rocks/andromeda, March 27, 2010
    • 3 replies
    • 1.1k views
    • 
    • jackson33
    • March 31, 2010

12. our universe

    By japan rocks/andromeda, March 27, 2010
    • 3 replies
    • 1k views
    • 
    • npts2020
    • March 30, 2010

13. Yet an other look at, how things might work.

    By Simpleton, March 30, 2010
    • 0 replies
    • 730 views
    • 
    • Simpleton
    • March 30, 2010

14. The Big Crunch

    By KholdStunner, March 5, 2005
    • 10 replies
    • 1.9k views
    • 
    • purintjp
    • March 30, 2010

15. The milky way

    By japan rocks/andromeda, March 28, 2010
    • 2 replies
    • 907 views
    • 
    • Leader Bee
    • March 29, 2010

16. Life

    By japan rocks/andromeda, March 27, 2010
    • 3 replies
    • 917 views
    • 
    • bobhikes
    • March 29, 2010

17. Galaxy

    By japan rocks/andromeda, March 28, 2010
    • 4 replies
    • 896 views
    • 
    • japan rocks/andromeda
    • March 28, 2010

18. the abyss

    By japan rocks/andromeda, March 28, 2010
    • 0 replies
    • 748 views
    • 
    • japan rocks/andromeda
    • March 28, 2010

19. I am in need of ...

    By ewmon, March 28, 2010
    • 0 replies
    • 657 views
    • 
    • ewmon
    • March 28, 2010

20. Origin of Saturn's Rings — from Inner Moons ???

    By Widdekind, March 12, 2010
    • 2 replies
    • 2.3k views
    • 
    • Widdekind
    • March 28, 2010

21. question about critical density

    By shakes, March 27, 2010
    • 0 replies
    • 777 views
    • 
    • shakes
    • March 27, 2010

22. Wondering whats at the core of our planet and sun.

    By mia4ever, March 26, 2010
    • 7 replies
    • 3.7k views
    • 
    • Airbrush
    • March 27, 2010

23. Lagrangian Points

    By JamesBrown, March 27, 2010
    • 1 reply
    • 693 views
    • 
    • Cap'n Refsmmat
    • March 27, 2010

24. Black holes and Hawking radiation

    By Simpleton, March 26, 2010
    • 2 replies
    • 876 views
    • 
    • Simpleton
    • March 26, 2010

25. Big Bang vs the shape of the universe

    By madscience, March 20, 2010
    • 2 replies
    • 1.2k views
    • 
    • Martin
    • March 22, 2010