Astronomy and Cosmology

3714 topics in this forum

1. blackholes

   By shadow2121, July 11, 2008
   • 9 replies
   • 1.9k views
   • 
   • Edtharan
   • July 11, 2008

2. Astronomy

   By Vindhya, July 6, 2008
   • 3 replies
   • 1.1k views
   • 
   • ajb
   • July 8, 2008

3. Dimensions?

   By person, July 6, 2008
   • 10 replies
   • 1.9k views
   • 
   • iNow
   • July 8, 2008

4. SETI Net shows a hit at Iota Orionis

   By JamesBrown, July 6, 2008
   • 0 replies
   • 884 views
   • 
   • JamesBrown
   • July 6, 2008

5. Collapse of one region in time-space?

   By Joonasle, July 3, 2008
   • 5 replies
   • 1.4k views
   • 
   • Arch2008
   • July 4, 2008

6. Universes outside the universe

   By barbie.=^.^=, April 13, 2008
   • 19 replies
   • 3.2k views
   • 
   • Arch2008
   • July 3, 2008

7. Sunrise Times In Southern California

   By JyBrd, June 28, 2008
   • 14 replies
   • 2.7k views
   • 
   • D H
   • June 30, 2008

8. Ancient Martian impact

   By Arch2008, June 26, 2008
   • 1 reply
   • 868 views
   • 
   • antimatter
   • June 27, 2008

9. conjunction shudder effects

   By pantheon, June 24, 2008
   • 2 replies
   • 1.1k views
   • 
   • Mr Skeptic
   • June 25, 2008

10. Chunks of ice seen in Mars lander pictures

    By Martin, June 1, 2008
    • 19 replies
    • 2.7k views
    • 
    • Mr Skeptic
    • June 23, 2008

11. What is space made out of?

    By AlphaBeta, June 15, 2008
    • 22 replies
    • 4.1k views
    • 
    • Martin
    • June 22, 2008

12. Astronomers find batch of "super-Earths"

    By Taktiq, June 17, 2008
    • 6 replies
    • 1.5k views
    • 
    • Edtharan
    • June 19, 2008

13. Hypothetical Question about Black Holes

    By omnimutant, June 17, 2008
    • 1 reply
    • 1.2k views
    • 
    • Martin
    • June 17, 2008

14. Could the Nemesis and/or Planet X hypotheses be correct?

    By Hypercube, June 5, 2008
    • 15 replies
    • 2.1k views
    • 
    • Kiddy
    • June 16, 2008

15. GLAST in orbit---and tutorials on gammaray astonomy

    By Martin, June 16, 2008
    • 0 replies
    • 715 views
    • 
    • Martin
    • June 16, 2008

16. Hints of 'time before Big Bang'

    By doG, June 10, 2008
    • 1 reply
    • 1k views
    • 
    • Mr Skeptic
    • June 15, 2008

17. Gamma-Ray Large Area Space Telescope Webcast

    By kscvideos, June 14, 2008
    • 0 replies
    • 804 views
    • 
    • kscvideos
    • June 14, 2008

18. 3-dimensional space 1 2

    By bored_teen, June 12, 2008
    • 28 replies
    • 3.7k views
    • 
    • Cap'n Refsmmat
    • June 13, 2008

19. Dark Matter Question

    By foodchain, June 6, 2008
    • 24 replies
    • 3.5k views
    • 
    • Phi for All
    • June 12, 2008

20. Introduction

    By New Science, June 11, 2008
    • 1 reply
    • 914 views
    • 
    • thedarkshade
    • June 11, 2008

21. What would happen if we actually did discover some kind of alien life form?

    By Hypercube, June 9, 2008
    • 5 replies
    • 1.4k views
    • 
    • antimatter
    • June 11, 2008

22. Supermassive Black Holes

    By Gareth56, May 23, 2008
    • 8 replies
    • 1.7k views
    • 
    • iNow
    • June 8, 2008

23. A way to simulate gravity perfectly in the space station 1 2

    By Hypercube, April 28, 2008
    • 39 replies
    • 5.8k views
    • 
    • Joegocal
    • June 8, 2008

24. Big crunch

    By copperstream, May 22, 2008
    • 14 replies
    • 2.3k views
    • 
    • iNow
    • June 7, 2008

25. Space, the bad news (and some limited good news)

    By Martin, May 31, 2008
    • 6 replies
    • 1.7k views
    • 
    • Martin
    • June 5, 2008