Astronomy and Cosmology

3705 topics in this forum

1. Drifting moon. Why still so near?

   By Tim the plumber, April 19, 2013
   • 12 replies
   • 1.6k views
   • 
   • Airbrush
   • April 30, 2013

2. black hole mass

   By 36grit, February 10, 2013
   • 13 replies
   • 2.4k views
   • 
   • krash661
   • April 29, 2013

3. Shape of the universe question.

   By OnlyOneMan, April 17, 2013
   • 2 replies
   • 1.4k views
   • 
   • StringJunky
   • April 17, 2013

4. Extra Solar Planet Detection

   By waitaminute, March 31, 2013
   • 23 replies
   • 3.3k views
   • 
   • ccwebb
   • April 8, 2013

5. The Universe was always the same size?

   By Banshii, April 5, 2013
   • 1 reply
   • 953 views
   • 
   • Iggy
   • April 7, 2013

6. What determines the direction the "disk" shape faces of galaxys and solarsystems?

   By Banshii, April 5, 2013
   • 5 replies
   • 1.3k views
   • 
   • Enthalpy
   • April 6, 2013

7. VY Canis Majoris vs The Sun? Question

   By Fanghur, April 4, 2013
   • 1 reply
   • 2.5k views
   • 
   • Chrispen Evan
   • April 4, 2013

8. Question about M-theory and the big bang

   By cassanda_complex, April 4, 2013
   • 1 reply
   • 966 views
   • 
   • Arch2008
   • April 4, 2013

9. How Are Planetary Orbits Self-Correcting, or Self-Regulating?

   By Seeking Science, March 27, 2013
   • 10 replies
   • 2.2k views
   • 
   • Enthalpy
   • April 3, 2013

10. Does weight on earth vary as a function of earth-moon distance?

    By Griffon, March 16, 2013
    • 18 replies
    • 2.3k views
    • 
    • John Cuthber
    • April 2, 2013

11. Dark matter role in chosmoshpere

    By 36grit, March 28, 2013
    • 3 replies
    • 1.2k views
    • 
    • Enthalpy
    • April 1, 2013

12. why did we move faster than light?

    By philaj, March 28, 2013
    • 8 replies
    • 1.7k views
    • 
    • Chrispen Evan
    • March 30, 2013

13. Did God create the universe? 1 2

    By Arjun Artro, December 1, 2012
    • 45 replies
    • 6k views
    • 
    • 36grit
    • March 24, 2013

14. Inflation: expansion faster then the speed of light??

    By JustCurious?!, March 22, 2013
    • 1 reply
    • 1.2k views
    • 
    • ajb
    • March 22, 2013

15. Matter-Antimatter Asymmtery and Black Hole Evaporation

    By JustCurious?!, March 20, 2013
    • 6 replies
    • 1.9k views
    • 
    • JustCurious?!
    • March 22, 2013

16. Rendering stars

    By Przemyslaw.Gruchala, March 13, 2013
    • 5 replies
    • 2.9k views
    • 
    • Przemyslaw.Gruchala
    • March 21, 2013

17. Private Space Satellite Project

    By JohnCli, March 6, 2013
    • 9 replies
    • 2.3k views
    • 
    • JohnCli
    • March 21, 2013

18. A different view of dimensions.

    By Yash, March 20, 2013
    • 0 replies
    • 1.4k views
    • 
    • Yash
    • March 20, 2013

19. Possibility of not having a singularity? 1 2

    By Sato, March 9, 2013
    • 25 replies
    • 3.3k views
    • 
    • SplitInfinity
    • March 20, 2013

20. Is the universe collapsing. 1 2

    By derek w, March 14, 2013
    • 25 replies
    • 3.7k views
    • 
    • SplitInfinity
    • March 20, 2013

21. The Universe sprang out of Nothing

    By Gian, February 28, 2013
    • 7 replies
    • 2.1k views
    • 
    • siderman
    • March 19, 2013

22. What happens when the light from the center of the universe catches up with us?

    By Sean Bodey, March 7, 2013
    • 6 replies
    • 1.7k views
    • 
    • Chrispen Evan
    • March 14, 2013

23. Terra forming Moons in our solar system

    By Kleeklor, March 12, 2013
    • 2 replies
    • 984 views
    • 
    • pwagen
    • March 12, 2013

24. What would a neutron star look like?

    By Fanghur, March 10, 2013
    • 4 replies
    • 1.5k views
    • 
    • StringJunky
    • March 11, 2013

25. The Final Frontier: Achievable in high school?

    By tibieuh, March 6, 2013
    • 8 replies
    • 1.5k views
    • 
    • BearOfNH
    • March 11, 2013