Astronomy and Cosmology

3714 topics in this forum

1. Galaxy diameters

   By J.C.MacSwell, March 3, 2005
   • 2 replies
   • 1.3k views
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   • J.C.MacSwell
   • March 4, 2005

2. Question about the initial conditions of the universe

   By Johnny5, March 2, 2005
   • 7 replies
   • 1.3k views
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   • Bettina
   • March 4, 2005

3. Fundamental Construction of The Universe

   By Guest tianman32, March 2, 2005
   • 0 replies
   • 725 views
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   • Guest
   • March 2, 2005

4. Saturns Rings.....

   By us.2u, February 28, 2005
   • 3 replies
   • 1.4k views
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   • [Tycho?]
   • March 1, 2005

5. Mars Pictures 1 2

   By us.2u, February 17, 2005
   • 25 replies
   • 3.8k views
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   • Newtonian
   • February 27, 2005

6. Sending Messages To M13 Star Cluster

   By us.2u, February 25, 2005
   • 8 replies
   • 1.8k views
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   • Comandante
   • February 27, 2005

7. Scary Stuff 1 2

   By us.2u, February 25, 2005
   • 35 replies
   • 4.8k views
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   • coquina
   • February 26, 2005

8. Milky Way

   By ecoli, February 25, 2005
   • 0 replies
   • 804 views
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   • ecoli
   • February 25, 2005

9. Rocketplane

   By Molotov, February 25, 2005
   • 1 reply
   • 966 views
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   • RICHARDBATTY
   • February 25, 2005

10. A sea on Mars?

    By Blackfin, February 23, 2005
    • 10 replies
    • 1.8k views
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    • Ophiolite
    • February 25, 2005

11. Why a whole galaxy is turning with unique angular speed

    By Guest Eddie, February 25, 2005
    • 0 replies
    • 695 views
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    • Guest
    • February 25, 2005

12. movement through space? 1 2 3

    By syntax252, February 18, 2005
    • 53 replies
    • 6.8k views
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    • us.2u
    • February 24, 2005

13. An expanding universe...

    By star dust, February 23, 2005
    • 8 replies
    • 1.5k views
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    • Cadmus
    • February 23, 2005

14. A Link to Hubble's Web Site

    By us.2u, February 7, 2005
    • 2 replies
    • 1.2k views
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    • kotake
    • February 23, 2005

15. circumference of the earth

    By toolman, February 7, 2005
    • 4 replies
    • 1.2k views
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    • us.2u
    • February 23, 2005

16. external phenomena affecting earth: gravity?

    By Guest kozko, February 22, 2005
    • 2 replies
    • 982 views
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    • Guest
    • February 23, 2005

17. Longest Day on Earth?

    By Guest Apocalypse, February 21, 2005
    • 8 replies
    • 2.5k views
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    • Janus
    • February 23, 2005

18. Exploding Star...

    By us.2u, February 21, 2005
    • 3 replies
    • 1.1k views
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    • us.2u
    • February 22, 2005

19. Popular lecture about universe (Sean Carroll)

    By Martin, February 22, 2005
    • 0 replies
    • 998 views
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    • Martin
    • February 22, 2005

20. Deminishing Returns

    By Guest GA Douglass, February 12, 2005
    • 8 replies
    • 1.7k views
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    • Sayonara
    • February 20, 2005

21. The Speed Of Dark? 1 2 3 4 5

    By us.2u, February 14, 2005
    • 105 replies
    • 11.7k views
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    • Sayonara
    • February 17, 2005

22. Super Sonic Radio?

    By us.2u, February 17, 2005
    • 6 replies
    • 1.4k views
    • 
    • us.2u
    • February 17, 2005

23. how many rotations on it's axis

    By syntax252, February 15, 2005
    • 3 replies
    • 1.3k views
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    • syntax252
    • February 15, 2005

24. Recommened book on String Theory?

    By Guest Emperor, February 14, 2005
    • 6 replies
    • 1.3k views
    • 
    • Severian
    • February 15, 2005

25. Artificial Gravity 1 2

    By mEarly1102, January 7, 2005
    • 46 replies
    • 5.5k views
    • 
    • Severian
    • February 14, 2005