Astronomy and Cosmology

3685 topics in this forum

1. Does Venus' outer atmosphere protects microbes from ultraviolet radiation?

   By vertigonight, March 19, 2005
   • 2 replies
   • 860 views
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   • [Tycho?]
   • March 21, 2005

2. Universe originally Solid Mass?

   By mustang292, March 20, 2005
   • 1 reply
   • 783 views
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   • Ophiolite
   • March 20, 2005

3. How are Extrasolar planets discovered?

   By vertigonight, March 19, 2005
   • 3 replies
   • 892 views
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   • ecoli
   • March 20, 2005

4. Is Pluto the most distant planetary body to posess a satellite?

   By vertigonight, March 20, 2005
   • 1 reply
   • 980 views
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   • ed84c
   • March 20, 2005

5. Space doesnt need bounds to have shape (Riemann 1854)

   By Martin, March 19, 2005
   • 4 replies
   • 1.2k views
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   • BlackHole
   • March 20, 2005

6. If life occurs on Venus, it must have originated in the clouds - true or false?

   By vertigonight, March 19, 2005
   • 4 replies
   • 1.1k views
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   • Ophiolite
   • March 20, 2005

7. The universe - finite or infinite?

   By BlackHole, March 19, 2005
   • 1 reply
   • 781 views
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   • Sayonara
   • March 19, 2005

8. extrasolar planet whose avg dist from its star is 0.72 have an orbital period of 0.61

   By vertigonight, March 19, 2005
   • 1 reply
   • 751 views
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   • Martin
   • March 19, 2005

9. Are irregular satellites defined as those with asymmetric albedo patterns?

   By vertigonight, March 18, 2005
   • 1 reply
   • 821 views
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   • Ophiolite
   • March 19, 2005

10. Dino's First?

    By us.2u, March 17, 2005
    • 10 replies
    • 1.4k views
    • 
    • Ophiolite
    • March 18, 2005

11. Most extrasolar planets ahve been discovered by............

    By vertigonight, March 18, 2005
    • 0 replies
    • 785 views
    • 
    • vertigonight
    • March 18, 2005

12. Is resurfacing on Europa a consequence of tidal heating?

    By vertigonight, March 18, 2005
    • 0 replies
    • 733 views
    • 
    • vertigonight
    • March 18, 2005

13. some beautiful pictures

    By syntax252, March 14, 2005
    • 11 replies
    • 1.9k views
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    • star dust
    • March 17, 2005

14. Location of Big Bang? 1 2 3 4

    By mustang292, March 12, 2005
    • 96 replies
    • 7.7k views
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    • Cadmus
    • March 17, 2005

15. The accelerating universe - Cosmic inflation

    By BlackHole, March 11, 2005
    • 20 replies
    • 3.1k views
    • 
    • BlackHole
    • March 14, 2005

16. 20 greastest/most important develpments in space

    By Guest nasza, March 14, 2005
    • 4 replies
    • 1k views
    • 
    • ed84c
    • March 14, 2005

17. did the big bang ever stop?

    By KholdStunner, March 5, 2005
    • 14 replies
    • 1.7k views
    • 
    • Deified
    • March 12, 2005

18. Nasa looking to pull the plug on unmanned missions.

    By mmalluck, March 10, 2005
    • 3 replies
    • 985 views
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    • us.2u
    • March 11, 2005

19. Why do planets form? 1 2

    By ensonik, March 3, 2005
    • 39 replies
    • 3.8k views
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    • ensonik
    • March 10, 2005

20. Question about Cosmology 1 2

    By Johnny5, March 1, 2005
    • 49 replies
    • 3.9k views
    • 
    • Tom Mattson
    • March 8, 2005

21. Gravity model

    By Jacques, February 25, 2005
    • 21 replies
    • 2.5k views
    • 
    • Jacques
    • March 7, 2005

22. Misconceptions about the Big Bang and Expanding Universe

    By Pangloss, February 27, 2005
    • 9 replies
    • 1.8k views
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    • Deified
    • March 6, 2005

23. Hostile Humans 1 2

    By herme3, February 28, 2005
    • 25 replies
    • 3k views
    • 
    • KholdStunner
    • March 5, 2005

24. Galaxy diameters

    By J.C.MacSwell, March 3, 2005
    • 2 replies
    • 1.2k views
    • 
    • J.C.MacSwell
    • March 4, 2005

25. Question about the initial conditions of the universe

    By Johnny5, March 2, 2005
    • 7 replies
    • 1.1k views
    • 
    • Bettina
    • March 4, 2005