Astronomy and Cosmology

3685 topics in this forum

1. Am I right?

   By Samphire, September 17, 2005
   • 8 replies
   • 1.5k views
   • 
   • Janus
   • September 17, 2005

2. Best Book on the cosmology and astronomy?

   By jutntog1, September 17, 2005
   • 0 replies
   • 827 views
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   • jutntog1
   • September 17, 2005

3. Now

   By Mart, September 16, 2005
   • 13 replies
   • 1.8k views
   • 
   • starbug1
   • September 17, 2005

4. big bang theory

   By silentriot, September 13, 2005
   • 17 replies
   • 2.2k views
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   • Hellbender
   • September 16, 2005

5. How to power a fusion engine?

   By Daymare17, September 12, 2005
   • 10 replies
   • 1.7k views
   • 
   • [Tycho?]
   • September 15, 2005

6. Alternative to dark energy.

   By BigMoosie, September 13, 2005
   • 16 replies
   • 1.8k views
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   • Xyph
   • September 15, 2005

7. Supermassive blackhole found without host galaxy!

   By The Peon, September 15, 2005
   • 3 replies
   • 1.1k views
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   • timo
   • September 15, 2005

8. Extraterrestrial Civilizations

   By starbug1, September 15, 2005
   • 6 replies
   • 1.3k views
   • 
   • insane_alien
   • September 15, 2005

9. Universe Boundaries 1 2

   By T-Nemesis, August 1, 2005
   • 25 replies
   • 3.3k views
   • 
   • tomgwyther
   • September 15, 2005

10. Dyson Sphere 1 2

    By ydoaPs, July 31, 2005
    • 35 replies
    • 3.4k views
    • 
    • [Tycho?]
    • September 14, 2005

11. Terraforming Mars 1 2

    By Daymare17, September 11, 2005
    • 32 replies
    • 3.4k views
    • 
    • BigMoosie
    • September 13, 2005

12. Terraforming Ganymede

    By Selena, September 12, 2005
    • 10 replies
    • 3.2k views
    • 
    • Selena
    • September 12, 2005

13. Dark Matter?

    By The Peon, September 6, 2005
    • 6 replies
    • 1.2k views
    • 
    • The Peon
    • September 7, 2005

14. Telescopes

    By Bettina, September 5, 2005
    • 6 replies
    • 1.1k views
    • 
    • Bettina
    • September 5, 2005

15. One more peg in the proof of Alien Life? 1 2

    By darkkazier, August 1, 2005
    • 41 replies
    • 4.6k views
    • 
    • ElijahJones
    • September 1, 2005

16. Blue White shooting meteor over D.C.

    By bender0569, August 31, 2005
    • 2 replies
    • 753 views
    • 
    • Thomas Kirby
    • September 1, 2005

17. Some Balance in Black holes

    By Erich, August 10, 2005
    • 3 replies
    • 1k views
    • 
    • hamish
    • August 31, 2005

18. Gravitational Collapse: What does it take?

    By surrealist, August 29, 2005
    • 3 replies
    • 1.1k views
    • 
    • Thales
    • August 30, 2005

19. how is universe expanding after the big bang.

    By sunofawrx, August 24, 2005
    • 6 replies
    • 1.5k views
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    • Bubba
    • August 27, 2005

20. patch of surface ice in Mars crater photographed (OK not a first, but..)

    By Martin, July 30, 2005
    • 6 replies
    • 1.5k views
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    • Thomas Kirby
    • August 26, 2005

21. Corrections to the Cosmic Microwave Map (can anyone clarify?)

    By Martin, August 24, 2005
    • 1 reply
    • 1k views
    • 
    • Severian
    • August 24, 2005

22. Expansion and conservation of energy

    By J.C.MacSwell, August 1, 2005
    • 3 replies
    • 1.2k views
    • 
    • tholan
    • August 24, 2005

23. Oldest galaxies found

    By Jacques, March 3, 2005
    • 12 replies
    • 1.5k views
    • 
    • insane_alien
    • August 23, 2005

24. interplanetary space craft 1 2

    By CPL.Luke, August 17, 2005
    • 29 replies
    • 2.7k views
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    • CPL.Luke
    • August 21, 2005

25. Milky Way is a barred spiral

    By Martin, August 18, 2005
    • 1 reply
    • 1k views
    • 
    • Sayonara
    • August 18, 2005