Astronomy and Cosmology

3705 topics in this forum

1. us satellites outnumber the rest!

   By chitrangda, September 24, 2006
   • 12 replies
   • 1.6k views
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   • Klaynos
   • October 1, 2006

2. Ellipsoid Universe (new cosmology paper)

   By Martin, September 27, 2006
   • 2 replies
   • 1.4k views
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   • Martin
   • September 27, 2006

3. Astronomy puzzle (angular-size/redshift)

   By Martin, July 31, 2006
   • 19 replies
   • 3.3k views
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   • Sisyphus
   • September 26, 2006

4. white dwarf star!

   By chitrangda, September 24, 2006
   • 1 reply
   • 1.3k views
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   • Martin
   • September 24, 2006

5. Habitable planets (new study out)

   By Martin, September 8, 2006
   • 8 replies
   • 2k views
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   • JHAQ
   • September 24, 2006

6. Eris and Dysnomia (Discord and Lawlessness)---it's official as of 13 Sept

   By Martin, September 14, 2006
   • 10 replies
   • 1.7k views
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   • Daymare17
   • September 23, 2006

7. Expansion Momentum 1 2

   By J.C.MacSwell, September 5, 2006
   • 33 replies
   • 3.9k views
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   • Spyman
   • September 14, 2006

8. Earth's mass

   By mombasa, September 12, 2006
   • 14 replies
   • 1.9k views
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   • swansont
   • September 12, 2006

9. inside story

   By Norman Albers, September 8, 2006
   • 1 reply
   • 766 views
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   • Norman Albers
   • September 9, 2006

10. Kuiper Belt?

    By Anjruu, July 17, 2006
    • 5 replies
    • 1.4k views
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    • Spyman
    • September 5, 2006

11. smart-1 satellite will hit the moon

    By Jacques, September 1, 2006
    • 1 reply
    • 815 views
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    • Bluenoise
    • September 1, 2006

12. Pluto is out---only 8 planets now---it's official :( 1 2

    By Martin, August 24, 2006
    • 43 replies
    • 5k views
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    • swansont
    • September 1, 2006

13. Light Intensity

    By J.C.MacSwell, August 25, 2006
    • 2 replies
    • 1.1k views
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    • J.C.MacSwell
    • September 1, 2006

14. Evidence that Dark Matter is real stuff 1 2

    By Martin, August 17, 2006
    • 32 replies
    • 3.7k views
    • 
    • Martin
    • August 29, 2006

15. Localized big bangs???

    By RichF, August 22, 2006
    • 5 replies
    • 2k views
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    • RichF
    • August 23, 2006

16. Cyclic Universe

    By Bettina, August 16, 2006
    • 22 replies
    • 3k views
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    • bascule
    • August 21, 2006

17. Mini Black Holes Might Reveal 5th Dimension

    By darkangel199, August 17, 2006
    • 1 reply
    • 1.2k views
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    • [Tycho?]
    • August 17, 2006

18. Cosmic neutrino primer

    By Martin, August 16, 2006
    • 6 replies
    • 1.2k views
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    • Martin
    • August 16, 2006

19. Communications via the Moon

    By scicop, August 12, 2006
    • 15 replies
    • 1.9k views
    • 
    • [Tycho?]
    • August 13, 2006

20. what would we need to indentify past martian civilization?

    By mr d, August 9, 2006
    • 9 replies
    • 1.6k views
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    • calbiterol
    • August 12, 2006

21. Universe Might be Bigger and Older than Expected

    By darkangel199, August 7, 2006
    • 7 replies
    • 1.6k views
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    • Martin
    • August 11, 2006

22. I'm off to Space School

    By Forensicmad, August 5, 2006
    • 4 replies
    • 1.5k views
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    • Martin
    • August 9, 2006

23. A possible explanation for the Titus-Bode “law”.

    By Igor Suman, March 15, 2006
    • 5 replies
    • 2k views
    • 
    • Igor Suman
    • August 8, 2006

24. Humongous ball of gas traveling pretty fast

    By silkworm, June 18, 2006
    • 16 replies
    • 2.2k views
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    • insane_alien
    • August 6, 2006

25. Is it normal for the moon to appear blood red?

    By GrandMasterK, July 30, 2006
    • 10 replies
    • 1.8k views
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    • frostbite
    • August 5, 2006