Astronomy and Cosmology

3705 topics in this forum

1. Supermassive blackhole found without host galaxy!

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

2. Extraterrestrial Civilizations

   By starbug1, September 15, 2005
   • 6 replies
   • 1.4k views
   • 
   • insane_alien
   • September 15, 2005

3. Universe Boundaries 1 2

   By T-Nemesis, August 1, 2005
   • 25 replies
   • 3.6k views
   • 
   • tomgwyther
   • September 15, 2005

4. Dyson Sphere 1 2

   By ydoaPs, July 31, 2005
   • 35 replies
   • 3.6k views
   • 
   • [Tycho?]
   • September 14, 2005

5. Terraforming Mars 1 2

   By Daymare17, September 11, 2005
   • 32 replies
   • 3.7k views
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   • BigMoosie
   • September 13, 2005

6. Terraforming Ganymede

   By Selena, September 12, 2005
   • 10 replies
   • 3.3k views
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   • Selena
   • September 12, 2005

7. Dark Matter?

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

8. Telescopes

   By Bettina, September 5, 2005
   • 6 replies
   • 1.2k views
   • 
   • Bettina
   • September 5, 2005

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

   By darkkazier, August 1, 2005
   • 41 replies
   • 4.9k views
   • 
   • ElijahJones
   • September 1, 2005

10. Blue White shooting meteor over D.C.

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

11. Some Balance in Black holes

    By Erich, August 10, 2005
    • 3 replies
    • 1.1k views
    • 
    • hamish
    • August 31, 2005

12. Gravitational Collapse: What does it take?

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

13. 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

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

    By Martin, July 30, 2005
    • 6 replies
    • 1.6k views
    • 
    • Thomas Kirby
    • August 26, 2005

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

    By Martin, August 24, 2005
    • 1 reply
    • 1.1k views
    • 
    • Severian
    • August 24, 2005

16. Expansion and conservation of energy

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

17. Oldest galaxies found

    By Jacques, March 3, 2005
    • 12 replies
    • 1.6k views
    • 
    • insane_alien
    • August 23, 2005

18. interplanetary space craft 1 2

    By CPL.Luke, August 17, 2005
    • 29 replies
    • 3k views
    • 
    • CPL.Luke
    • August 21, 2005

19. Milky Way is a barred spiral

    By Martin, August 18, 2005
    • 1 reply
    • 1.1k views
    • 
    • Sayonara
    • August 18, 2005

20. which comes first?

    By ydoaPs, August 16, 2005
    • 4 replies
    • 1k views
    • 
    • CPL.Luke
    • August 17, 2005

21. pluto

    By CPL.Luke, August 14, 2005
    • 7 replies
    • 1.4k views
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    • Janus
    • August 15, 2005

22. New Plasma Structure found

    By Erich, August 12, 2005
    • 0 replies
    • 698 views
    • 
    • Erich
    • August 12, 2005

23. Telescope + Computer

    By Crash, August 3, 2005
    • 9 replies
    • 1.7k views
    • 
    • YT2095
    • August 8, 2005

24. Book Suggestions

    By Ewen, July 3, 2005
    • 12 replies
    • 3.5k views
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    • capnqwest
    • August 5, 2005

25. New planet discovered at 92 AU

    By Inferno, July 30, 2005
    • 8 replies
    • 1.6k views
    • 
    • parkinho
    • July 31, 2005