Astronomy and Cosmology

3705 topics in this forum

1. Are there habitable planets/moons in our solar system? 1 2

   By Jonathanaronda, April 26, 2012
   • 29 replies
   • 9.4k views
   • 
   • pantheory
   • June 6, 2012

2. Let's talk universe

   By santoperdido, June 1, 2012
   • 6 replies
   • 1.2k views
   • 
   • Airbrush
   • June 5, 2012

3. Solar system - birth

   By David Levy, June 3, 2012
   • 10 replies
   • 1.7k views
   • 
   • Airbrush
   • June 4, 2012

4. Worm holes

   By TransformerRobot, May 27, 2012
   • 23 replies
   • 3.4k views
   • 
   • Nigel
   • June 3, 2012

5. dark magnetism

   By space noob, June 1, 2012
   • 1 reply
   • 1.7k views
   • 
   • ACG52
   • June 1, 2012

6. does anyone know how I can place images on this forum of models I have to show?

   By The Architekt, May 29, 2012
   • 7 replies
   • 1.3k views
   • 
   • Joatmon
   • May 29, 2012

7. Star movment direction in an active galaxy

   By David Levy, May 27, 2012
   • 16 replies
   • 1.7k views
   • 
   • ACG52
   • May 29, 2012

8. Is the Universe Spinning?

   By murshid, February 27, 2012
   • 19 replies
   • 4.2k views
   • 
   • Alberto
   • May 26, 2012

9. Books on black holes?

   By moonjelly<3, March 9, 2012
   • 7 replies
   • 1.7k views
   • 
   • Spyman
   • May 25, 2012

10. New planets forming elsewhere

    By TransformerRobot, May 23, 2012
    • 6 replies
    • 1.7k views
    • 
    • Airbrush
    • May 23, 2012

11. Supernovae and time

    By ydoaPs, May 17, 2012
    • 6 replies
    • 1.7k views
    • 
    • ydoaPs
    • May 20, 2012

12. end of a neutron stars life?

    By space noob, May 19, 2012
    • 3 replies
    • 4.9k views
    • 
    • insane_alien
    • May 20, 2012

13. string theory

    By space noob, May 15, 2012
    • 8 replies
    • 1.9k views
    • 
    • MigL
    • May 20, 2012

14. Black holes in a Big Bang Universe? 1 2 3

    By Rolando, May 15, 2012
    • 60 replies
    • 5.5k views
    • 
    • space noob
    • May 19, 2012

15. Dark Energy vs Fifth Force

    By IM Egdall, May 14, 2012
    • 5 replies
    • 1.7k views
    • 
    • space noob
    • May 16, 2012

16. interesting idea but is it a accomplishable

    By space noob, May 15, 2012
    • 6 replies
    • 1.7k views
    • 
    • Airbrush
    • May 16, 2012

17. hypervelocity star mass

    By space noob, May 8, 2012
    • 22 replies
    • 3.5k views
    • 
    • Airbrush
    • May 16, 2012

18. SDSS J102915+ 172927 strange star

    By Ras72, April 24, 2012
    • 8 replies
    • 1.9k views
    • 
    • RichIsnang
    • May 11, 2012

19. Expanding universe question

    By Vay, May 2, 2012
    • 10 replies
    • 2.1k views
    • 
    • swansont
    • May 10, 2012

20. what was there before Big Bang? 1 2 3 4 7

    By nernico, June 30, 2011
    • 166 replies
    • 24.3k views
    • 
    • space noob
    • May 9, 2012

21. Would crossing the event horizon of a black hole be instantly fatal? 1 2

    By Hypercube, April 10, 2012
    • 43 replies
    • 8.6k views
    • 
    • MigL
    • May 9, 2012

22. The nature of black holes from the evidence

    By ukgazzer, April 15, 2012
    • 22 replies
    • 3.3k views
    • 
    • space noob
    • May 8, 2012

23. How did life return to earth after the asteroid killed the dinosaurs?

    By cadena, May 4, 2012
    • 4 replies
    • 6.3k views
    • 
    • Airbrush
    • May 7, 2012

24. What if question about the universe?

    By stevenJKpower, February 14, 2012
    • 6 replies
    • 1.8k views
    • 
    • space noob
    • May 7, 2012

25. Photons of the early universe ?

    By 1123581321, April 27, 2012
    • 6 replies
    • 1.6k views
    • 
    • MigL
    • May 6, 2012