Astronomy and Cosmology

3705 topics in this forum

1. black-holes do not exist

   By north, October 29, 2008
   • 16 replies
   • 1.7k views
   • 
   • Mr Skeptic
   • October 29, 2008

2. Moving Earth - Experimental facts.

   By Obelix, October 28, 2008
   • 3 replies
   • 1.1k views
   • 
   • D H
   • October 28, 2008

3. Clarification of Arch's post

   By Arch2008, October 21, 2008
   • 12 replies
   • 1.5k views
   • 
   • npts2020
   • October 25, 2008

4. Space finite/space infinite/we don't know---which do you believe?

   By Martin, October 22, 2008
   • 14 replies
   • 1.9k views
   • 
   • dichotomy
   • October 24, 2008

5. How much of Einstein Online have you read?

   By Martin, October 23, 2008
   • 2 replies
   • 711 views
   • 
   • Martin
   • October 23, 2008

6. Shape of the universe

   By Cap'n Refsmmat, September 15, 2008
   • 19 replies
   • 3.1k views
   • 
   • Martin
   • October 21, 2008

7. Orbital energy

   By AtomSplitter, October 20, 2008
   • 15 replies
   • 2.6k views
   • 
   • Martin
   • October 21, 2008

8. Hello I am interstellaryeller

   By interstellar, October 21, 2008
   • 1 reply
   • 876 views
   • 
   • Phi for All
   • October 21, 2008

9. Aterna's question---the unexpected cosmic horizon 1 2

   By Martin, September 2, 2008
   • 27 replies
   • 3.4k views
   • 
   • Martin
   • October 19, 2008

10. NASA to Webcast IBEX Spacecraft Launch

    By Zeta Pegasi, October 19, 2008
    • 0 replies
    • 816 views
    • 
    • Zeta Pegasi
    • October 19, 2008

11. Do you have a new cosmology theory? 1 2

    By Martin, January 18, 2008
    • 36 replies
    • 6.2k views
    • 
    • Martin
    • October 19, 2008

12. WMAP5 data is out, check implications for cosmology

    By Martin, March 5, 2008
    • 10 replies
    • 2.3k views
    • 
    • Arch2008
    • October 16, 2008

13. thought on earth formation

    By dan1dad, September 28, 2008
    • 12 replies
    • 1.5k views
    • 
    • Moontanman
    • October 16, 2008

14. New images of Mercury

    By Realitycheck, October 7, 2008
    • 8 replies
    • 1.3k views
    • 
    • Arch2008
    • October 14, 2008

15. FYI The telescope

    By Arch2008, October 12, 2008
    • 0 replies
    • 724 views
    • 
    • Arch2008
    • October 12, 2008

16. sunspot's coolness

    By Pradeepkumar, October 10, 2008
    • 2 replies
    • 1.1k views
    • 
    • Pradeepkumar
    • October 11, 2008

17. Big Bounce--SciAm cover story October 2008

    By Martin, September 19, 2008
    • 24 replies
    • 6.1k views
    • 
    • Tsadi
    • October 8, 2008

18. What if Olympus Mons isn't tallest mountain?

    By Baby Astronaut, October 4, 2008
    • 5 replies
    • 2k views
    • 
    • Pradeepkumar
    • October 8, 2008

19. wonder

    By chitrangda, October 5, 2008
    • 1 reply
    • 844 views
    • 
    • Gilded
    • October 5, 2008

20. Expanding space needs surroundings to expand into. T or F. 1 2 3

    By Martin, January 19, 2008
    • 64 replies
    • 8.5k views
    • 
    • Martin
    • October 5, 2008

21. Are meteor showers the same appearing all across geography

    By xnebulalordx676, October 1, 2008
    • 2 replies
    • 1k views
    • 
    • xnebulalordx676
    • October 4, 2008

22. Modern Cosmology

    By sridharanr, September 30, 2008
    • 0 replies
    • 870 views
    • 
    • sridharanr
    • September 30, 2008

23. Why are some gas clouds super hot?

    By gazza, September 25, 2008
    • 5 replies
    • 1.3k views
    • 
    • Martin
    • September 25, 2008

24. "Typical astrophysicists"

    By Robin Hood, September 24, 2008
    • 1 reply
    • 982 views
    • 
    • Martin
    • September 25, 2008

25. Who calculated solar output?

    By blazarwolf, September 17, 2008
    • 3 replies
    • 1.2k views
    • 
    • blazarwolf
    • September 21, 2008