Astronomy and Cosmology

3712 topics in this forum

1. Comet dust contains "fire and ice"

   By The Peon, March 14, 2006
   • 4 replies
   • 1.5k views
   • 
   • The Peon
   • April 4, 2006

2. Big Bang background radiation

   By Neil9327, April 3, 2006
   • 4 replies
   • 1.2k views
   • 
   • bascule
   • April 4, 2006

3. Astrophysicists Find Solid Evidence for Big Bang Inflation

   By Biodizzle, March 17, 2006
   • 17 replies
   • 2k views
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   • Severian
   • April 3, 2006

4. Could Gravitational Redshift just be a conservation of energy ?

   By sally, April 1, 2006
   • 1 reply
   • 1.1k views
   • 
   • [Tycho?]
   • April 2, 2006

5. Interplanetary "Tubes"

   By Edtharan, April 1, 2006
   • 3 replies
   • 1.4k views
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   • Cap'n Refsmmat
   • April 2, 2006

6. How many Universes do we have? 1 2 3 4

   By Nacelunk, March 22, 2006
   • 88 replies
   • 10.1k views
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   • aguy2
   • March 31, 2006

7. WorldJumpDay

   By Jok, March 28, 2006
   • 5 replies
   • 1.3k views
   • 
   • RyanJ
   • March 28, 2006

8. Astronomy Events

   By herpguy, February 23, 2006
   • 8 replies
   • 1.8k views
   • 
   • Jacques
   • March 27, 2006

9. SciAm cosmic bubblebath---anybody read Dutch?

   By Martin, March 24, 2006
   • 0 replies
   • 704 views
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   • Martin
   • March 24, 2006

10. Does Digital TV make it easier for other intelligent lifeforms?

    By Kedas, March 20, 2006
    • 6 replies
    • 1k views
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    • Kedas
    • March 24, 2006

11. chirality of double helical nebula

    By mattbimbo, March 23, 2006
    • 4 replies
    • 1.1k views
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    • bascule
    • March 24, 2006

12. Big Bang Idea

    By herme3, March 22, 2006
    • 8 replies
    • 1.7k views
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    • RyanJ
    • March 22, 2006

13. Relationship between Planets size, mass, age and gravity?

    By Illuminati, March 19, 2006
    • 10 replies
    • 10.4k views
    • 
    • [Tycho?]
    • March 22, 2006

14. WMAP data due out Thursday

    By Martin, March 14, 2006
    • 24 replies
    • 2.8k views
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    • aguy2
    • March 21, 2006

15. Do photons get absorbed by electrons and new ones remitted as they travel across the 1 2

    By eon_rider, July 29, 2005
    • 26 replies
    • 4.1k views
    • 
    • Norman Albers
    • March 20, 2006

16. A viewpoint.

    By kenshin, March 16, 2006
    • 9 replies
    • 1.8k views
    • 
    • Norman Albers
    • March 19, 2006

17. Things affected by space

    By Sly McFly, March 16, 2006
    • 11 replies
    • 2k views
    • 
    • Janus
    • March 17, 2006

18. Black Hole Visualization

    By Sisyphus, February 28, 2006
    • 5 replies
    • 1.4k views
    • 
    • RyanJ
    • March 14, 2006

19. Elliptical Orbit

    By JustStuit, March 11, 2006
    • 9 replies
    • 1.9k views
    • 
    • [Tycho?]
    • March 14, 2006

20. Where does a nova get the h2 to form a star?

    By SmartAlex, March 11, 2006
    • 4 replies
    • 1.3k views
    • 
    • [Tycho?]
    • March 14, 2006

21. Sun question...

    By Royston, March 13, 2006
    • 2 replies
    • 959 views
    • 
    • Royston
    • March 13, 2006

22. Liquid water on a Saturn moon (Enceladus geyser)

    By Martin, March 9, 2006
    • 6 replies
    • 1.4k views
    • 
    • Martin
    • March 10, 2006

23. Black Holes project HELP!

    By ggreynolds, March 7, 2006
    • 3 replies
    • 1.2k views
    • 
    • RyanJ
    • March 9, 2006

24. Black holes

    By dani, March 5, 2006
    • 16 replies
    • 1.9k views
    • 
    • [Tycho?]
    • March 7, 2006

25. Collapsing Universe?

    By aguy2, March 6, 2006
    • 2 replies
    • 990 views
    • 
    • aguy2
    • March 7, 2006