Astronomy and Cosmology

3705 topics in this forum

1. solar flare blows off a comet's tail (movie)

   By Martin, October 1, 2007
   • 1 reply
   • 2k views
   • 
   • JohnB
   • October 3, 2007

2. the science shows on directv speak of a asteriod/meteor will hit earth is it real ?

   By sandinista, August 28, 2007
   • 14 replies
   • 2.2k views
   • 
   • pioneer
   • September 25, 2007

3. Hubble flow interpretation

   By Jacques, September 19, 2007
   • 5 replies
   • 1.6k views
   • 
   • Spyman
   • September 21, 2007

4. Ultimate Ensemble

   By bascule, September 9, 2007
   • 6 replies
   • 1.6k views
   • 
   • bascule
   • September 14, 2007

5. What keeps matter in the unviverse "contained"

   By Money, September 8, 2007
   • 11 replies
   • 1.9k views
   • 
   • pioneer
   • September 9, 2007

6. Max Tegmark article on the cosmological necessity of parallel universes

   By bascule, September 8, 2007
   • 4 replies
   • 1.7k views
   • 
   • bascule
   • September 8, 2007

7. singularities and blackholes

   By Money, August 5, 2007
   • 15 replies
   • 2.2k views
   • 
   • Money
   • September 8, 2007

8. how is nomenclature of planets done?

   By chitrangda, September 5, 2007
   • 2 replies
   • 1.1k views
   • 
   • chitrangda
   • September 6, 2007

9. enough water vapor to fill the oceans on Earth five times inside the collapsing nest

   By Dr. Spitzer, August 29, 2007
   • 5 replies
   • 1.5k views
   • 
   • Martin
   • September 5, 2007

10. 200,000 elliptical galaxies aligned the same way

    By bascule, August 31, 2007
    • 3 replies
    • 1.5k views
    • 
    • Martin
    • August 31, 2007

11. Metric Expansion Questions

    By Luminal, August 21, 2007
    • 9 replies
    • 4.2k views
    • 
    • Martin
    • August 31, 2007

12. Microwave Background Radiation

    By igosaur, August 22, 2007
    • 17 replies
    • 2.1k views
    • 
    • YT2095
    • August 29, 2007

13. Astronomer vs. Astrophysicist?

    By mooeypoo, August 28, 2007
    • 8 replies
    • 2.7k views
    • 
    • swansont
    • August 29, 2007

14. Question on gravity

    By n_ka15, August 26, 2007
    • 15 replies
    • 1.9k views
    • 
    • sammyooba
    • August 28, 2007

15. Energy dependence in speed of light may have been observed

    By Martin, August 23, 2007
    • 5 replies
    • 1.6k views
    • 
    • BhavinB
    • August 27, 2007

16. Newbie Questions

    By sammyooba, August 17, 2007
    • 12 replies
    • 2.1k views
    • 
    • Jacques
    • August 24, 2007

17. questions about Galaxies and Blazars

    By Money, August 23, 2007
    • 5 replies
    • 1.4k views
    • 
    • RyanJ
    • August 23, 2007

18. The Black Hole at The Center of The Universe 1 2

    By astrocat, June 12, 2007
    • 41 replies
    • 7.3k views
    • 
    • igosaur
    • August 22, 2007

19. Message to the Overlords (Not even wrong)

    By Martin, August 19, 2007
    • 13 replies
    • 1.8k views
    • 
    • John Cuthber
    • August 20, 2007

20. Does gravity have an effective range?

    By pioneer, July 30, 2007
    • 13 replies
    • 14.1k views
    • 
    • pioneer
    • August 19, 2007

21. The iron core of stars; super nova

    By pioneer, August 17, 2007
    • 5 replies
    • 2.1k views
    • 
    • pioneer
    • August 18, 2007

22. IS the universe flat?

    By fattyjwoods, August 9, 2007
    • 7 replies
    • 1.7k views
    • 
    • sammyooba
    • August 17, 2007

23. Black Hole=Worm

    By timology, July 28, 2007
    • 10 replies
    • 2.2k views
    • 
    • shadowacct
    • August 16, 2007

24. Space Shuttle Atlantis Storm

    By Harry Deano, August 7, 2007
    • 16 replies
    • 1.4k views
    • 
    • insane_alien
    • August 11, 2007

25. Scale drawing of the relative sizes of planets and moons in the solar system

    By hakanwar, August 6, 2007
    • 1 reply
    • 1.3k views
    • 
    • markus.dnd
    • August 10, 2007