Astronomy and Cosmology

3712 topics in this forum

1. Is the center of the galaxy a black hole

   By Lekgolo555, March 5, 2007
   • 9 replies
   • 1.7k views
   • 
   • spikerz66
   • March 13, 2007

2. shape of universe..worked out...

   By young-albert, March 1, 2007
   • 7 replies
   • 1.8k views
   • 
   • ajb
   • March 13, 2007

3. Can there be a black hole large enough to pull objects faster than light

   By Lekgolo555, March 9, 2007
   • 9 replies
   • 1.7k views
   • 
   • timo
   • March 13, 2007

4. The London Eclipse!

   By Wearden, March 4, 2007
   • 14 replies
   • 1.9k views
   • 
   • Jacques
   • March 7, 2007

5. great bear

   By weknowthewor, March 6, 2007
   • 3 replies
   • 1.3k views
   • 
   • swansont
   • March 7, 2007

6. How to calculate the 130 billion LY radius of curvature

   By Martin, March 6, 2007
   • 0 replies
   • 776 views
   • 
   • Martin
   • March 6, 2007

7. Size of the Universe

   By MolotovCocktail, March 5, 2007
   • 12 replies
   • 2.2k views
   • 
   • Martin
   • March 6, 2007

8. Black Holes..

   By Wearden, March 5, 2007
   • 3 replies
   • 1.2k views
   • 
   • Wearden
   • March 5, 2007

9. how?????

   By young-albert, March 1, 2007
   • 4 replies
   • 1.3k views
   • 
   • Wearden
   • March 5, 2007

10. measuring the speed of the Earth 1 2

    By gib65, December 4, 2006
    • 25 replies
    • 4k views
    • 
    • Wearden
    • March 4, 2007

11. Solar System - Mars

    By Airmid, January 6, 2007
    • 11 replies
    • 2.2k views
    • 
    • weknowthewor
    • March 3, 2007

12. Best telescope

    By weknowthewor, March 2, 2007
    • 1 reply
    • 843 views
    • 
    • YT2095
    • March 2, 2007

13. Dark matter

    By Pre4edgc, February 28, 2007
    • 2 replies
    • 1k views
    • 
    • Klaynos
    • March 1, 2007

14. schwarzschild radius

    By young-albert, February 22, 2007
    • 5 replies
    • 1.6k views
    • 
    • Martin
    • March 1, 2007

15. structure of universe

    By young-albert, February 22, 2007
    • 7 replies
    • 1.6k views
    • 
    • young-albert
    • March 1, 2007

16. Mystery of Galaxies Full of Dark Matter Solved?

    By GutZ, February 17, 2007
    • 1 reply
    • 917 views
    • 
    • GutZ
    • February 28, 2007

17. Light Travelling Through Space.

    By Wearden, February 26, 2007
    • 6 replies
    • 1.4k views
    • 
    • Wearden
    • February 27, 2007

18. Proposed computer experiment for determining the age of the universe

    By Gustafson, S, February 18, 2007
    • 10 replies
    • 1.7k views
    • 
    • John Cuthber
    • February 27, 2007

19. 3D Dark Matter Map

    By Royston, January 9, 2007
    • 17 replies
    • 2.1k views
    • 
    • Royston
    • February 23, 2007

20. is the sun losing mass?

    By spikerz66, February 19, 2007
    • 18 replies
    • 3.2k views
    • 
    • D H
    • February 22, 2007

21. Big Bang Foolishness

    By ydoaPs, January 21, 2007
    • 14 replies
    • 3.2k views
    • 
    • RoyalXBlood
    • February 21, 2007

22. Dark Energy

    By Norman Albers, January 24, 2007
    • 13 replies
    • 1.9k views
    • 
    • Norman Albers
    • February 19, 2007

23. Earth makes noise ?

    By weknowthewor, February 14, 2007
    • 4 replies
    • 1.1k views
    • 
    • YT2095
    • February 15, 2007

24. Light speed... 1 2 3 4 5

    By SockCymbal, January 29, 2004
    • 103 replies
    • 14.8k views
    • 
    • JohnB
    • February 12, 2007

25. The Universe, Never ending, Never Starting

    By dude2k5, February 4, 2007
    • 5 replies
    • 1.5k views
    • 
    • Norman Albers
    • February 11, 2007