Astronomy and Cosmology

3712 topics in this forum

1. Dark fluid

   By Royston, March 5, 2008
   • 2 replies
   • 1.5k views
   • 
   • kaneda
   • March 7, 2008

2. sky and space

   By skulldude, March 1, 2008
   • 4 replies
   • 1.3k views
   • 
   • Dark matter
   • March 2, 2008

3. Regarding Black Holes

   By Comatose, February 14, 2008
   • 8 replies
   • 1.6k views
   • 
   • insane_alien
   • March 1, 2008

4. Flat universe philosophy

   By Realitycheck, January 8, 2008
   • 17 replies
   • 2.7k views
   • 
   • antimatter
   • February 29, 2008

5. Rockets

   By skulldude, February 28, 2008
   • 10 replies
   • 1.7k views
   • 
   • Mr Skeptic
   • February 29, 2008

6. Temperature of Space

   By stevo247, February 25, 2008
   • 19 replies
   • 2.8k views
   • 
   • antimatter
   • February 29, 2008

7. Lunar Eclipse Question

   By mooeypoo, February 23, 2008
   • 8 replies
   • 2k views
   • 
   • iNow
   • February 29, 2008

8. GammarayBurst observatory nears launch

   By Martin, January 24, 2008
   • 1 reply
   • 1.1k views
   • 
   • Martin
   • February 28, 2008

9. If the universe is becoming larger, why would galaxies collide?

   By Realitycheck, January 19, 2008
   • 9 replies
   • 1.9k views
   • 
   • Klaynos
   • February 27, 2008

10. commercialization in space leads to scientific exploration?

    By foofighter, February 27, 2008
    • 1 reply
    • 889 views
    • 
    • D H
    • February 27, 2008

11. The Blue moon day

    By copperstream, February 14, 2008
    • 5 replies
    • 1.5k views
    • 
    • copperstream
    • February 25, 2008

12. Lunar eclipse 1 2

    By Jacques, February 20, 2008
    • 25 replies
    • 3.6k views
    • 
    • Norman Albers
    • February 24, 2008

13. Beyond universe

    By copperstream, February 21, 2008
    • 1 reply
    • 1.8k views
    • 
    • swansont
    • February 21, 2008

14. Amino acid precursor found 1/4 billion lightyears away

    By Martin, February 12, 2008
    • 2 replies
    • 1.3k views
    • 
    • A Fool
    • February 14, 2008

15. Singularity Question

    By dylan, February 12, 2008
    • 4 replies
    • 1.3k views
    • 
    • Martin
    • February 13, 2008

16. Chlorophyll found that will work with a redder star

    By Martin, February 12, 2008
    • 3 replies
    • 1.5k views
    • 
    • Edtharan
    • February 13, 2008

17. Galaxy collision software

    By entropydave, June 11, 2005
    • 2 replies
    • 2.8k views
    • 
    • andygardner
    • February 10, 2008

18. Center of the Universe? 1 2

    By Cmac22, January 23, 2008
    • 32 replies
    • 4.6k views
    • 
    • Observer
    • February 8, 2008

19. Gravity Waves and LIGO...

    By YT2095, January 30, 2008
    • 11 replies
    • 1.8k views
    • 
    • YT2095
    • January 31, 2008

20. What is the Big Bang? (a missing piece of the timeline, QC tries to reconstruct it)

    By Martin, January 26, 2008
    • 0 replies
    • 836 views
    • 
    • Martin
    • January 26, 2008

21. Black Holes Inside Stars or Planets?

    By scalbers, January 20, 2008
    • 1 reply
    • 979 views
    • 
    • Martin
    • January 20, 2008

22. Expansion question

    By Realitycheck, January 20, 2008
    • 8 replies
    • 1.2k views
    • 
    • Edtharan
    • January 20, 2008

23. Agent asks why age of universe is 13.7 billion years. Can anyone help?

    By Realitycheck, January 19, 2008
    • 9 replies
    • 1.5k views
    • 
    • Martin
    • January 20, 2008

24. Gamma rays can combine to form particles?

    By Realitycheck, January 16, 2008
    • 5 replies
    • 1.1k views
    • 
    • Severian
    • January 16, 2008

25. The concept of singularities

    By Realitycheck, January 12, 2008
    • 12 replies
    • 1.6k views
    • 
    • Norman Albers
    • January 14, 2008