Astronomy and Cosmology

3705 topics in this forum

1. Cosomological Constant 1 2

   By Amr Morsi, May 15, 2007
   • 26 replies
   • 3.3k views
   • 
   • lucaspa
   • June 18, 2007

2. Proper motion in the universe

   By losfomot, June 18, 2007
   • 2 replies
   • 992 views
   • 
   • Martin
   • June 18, 2007

3. place to waste time chating about stuff

   By kindadevil66, June 13, 2007
   • 3 replies
   • 1k views
   • 
   • astrocat
   • June 17, 2007

4. Coronal Storms

   By herme3, June 17, 2007
   • 0 replies
   • 927 views
   • 
   • herme3
   • June 17, 2007

5. Could this be possible?

   By r617flynn, June 5, 2007
   • 7 replies
   • 1.3k views
   • 
   • r617flynn
   • June 12, 2007

6. How far back in time could we possibly look?

   By Realitycheck, May 11, 2007
   • 9 replies
   • 2.1k views
   • 
   • astrocat
   • June 12, 2007

7. Gravitational Waves

   By Royston, June 7, 2007
   • 3 replies
   • 1.2k views
   • 
   • grifter
   • June 8, 2007

8. Universe Cycle

   By herme3, June 5, 2007
   • 6 replies
   • 3.4k views
   • 
   • Klaynos
   • June 6, 2007

9. black hole entropy

   By dstebbins, June 4, 2007
   • 2 replies
   • 863 views
   • 
   • dstebbins
   • June 5, 2007

10. Can a singularity be reached?

    By dstebbins, May 21, 2007
    • 12 replies
    • 1.7k views
    • 
    • Royston
    • May 31, 2007

11. Blue Moon on Thursday

    By YT2095, May 30, 2007
    • 15 replies
    • 1.4k views
    • 
    • Phi for All
    • May 31, 2007

12. the information paradox.

    By dstebbins, May 20, 2007
    • 23 replies
    • 2.5k views
    • 
    • lakmilis
    • May 31, 2007

13. Temperature of a neutron star

    By Jacques, April 23, 2007
    • 20 replies
    • 4.4k views
    • 
    • lakmilis
    • May 30, 2007

14. Alternative to dark matter (not MOND)

    By Jacques, May 24, 2007
    • 1 reply
    • 770 views
    • 
    • timo
    • May 25, 2007

15. The definition of Energy

    By Serling, May 20, 2007
    • 8 replies
    • 1.9k views
    • 
    • ajb
    • May 21, 2007

16. Strongest dark matter evidence so far

    By Martin, May 17, 2007
    • 8 replies
    • 1.5k views
    • 
    • grifter
    • May 21, 2007

17. How to differentiate Doppler and Cosmological redshift

    By Jacques, May 11, 2007
    • 7 replies
    • 2k views
    • 
    • Jacques
    • May 14, 2007

18. naive "guess" at star's temperature.

    By ajb, May 13, 2007
    • 6 replies
    • 1.3k views
    • 
    • John Cuthber
    • May 14, 2007

19. Comet assay

    By Ivaylo, May 12, 2007
    • 2 replies
    • 1.1k views
    • 
    • grifter
    • May 12, 2007

20. Static Electricity on the Moon

    By Everlasting, April 28, 2007
    • 7 replies
    • 2.2k views
    • 
    • mamakosj
    • May 12, 2007

21. Water Water Everywhere...

    By Klaynos, April 12, 2007
    • 10 replies
    • 1.9k views
    • 
    • mamakosj
    • May 12, 2007

22. Brightest supernova ever observed

    By Martin, May 7, 2007
    • 6 replies
    • 891 views
    • 
    • Martin
    • May 11, 2007

23. Walking on Mars.

    By dstebbins, May 10, 2007
    • 9 replies
    • 1.3k views
    • 
    • MolotovCocktail
    • May 11, 2007

24. could area change state?

    By avshalom co, March 23, 2007
    • 4 replies
    • 1k views
    • 
    • dstebbins
    • May 10, 2007

25. cosmology the new theology

    By velo, April 28, 2007
    • 8 replies
    • 1.9k views
    • 
    • Severian
    • May 1, 2007