Astronomy and Cosmology

3705 topics in this forum

1. Nebula Pictures - True colors? Nope...

   By ParanoiA, August 10, 2007
   • 3 replies
   • 1.7k views
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   • insane_alien
   • August 10, 2007

2. Massive Galatic Collision!!!!

   By Dr. Spitzer, August 6, 2007
   • 3 replies
   • 1.2k views
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   • fattyjwoods
   • August 9, 2007

3. Exoplanet Formation Mystery

   By Giacomo, August 7, 2007
   • 2 replies
   • 1.1k views
   • 
   • Martin
   • August 8, 2007

4. Largest planet in the Galaxy so far, TRES4

   By YT2095, August 7, 2007
   • 3 replies
   • 5.2k views
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   • YT2095
   • August 7, 2007

5. definition of a planet

   By dstebbins, August 5, 2007
   • 20 replies
   • 2.3k views
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   • Phi for All
   • August 6, 2007

6. Water on Exoplanets!!

   By Dr. Spitzer, July 30, 2007
   • 3 replies
   • 1.3k views
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   • h4tt3n
   • August 2, 2007

7. Reuter(Loops 07) no inflaton needed, no horizon problem

   By Martin, July 28, 2007
   • 9 replies
   • 1.6k views
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   • bascule
   • August 1, 2007

8. The Universe

   By Matt@eon8, July 23, 2007
   • 14 replies
   • 1.8k views
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   • Reaper
   • July 28, 2007

9. Creation of celestia out on the fringe

   By Realitycheck, July 18, 2007
   • 9 replies
   • 1.3k views
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   • lucaspa
   • July 23, 2007

10. Moon Orbit

    By Primarygun, July 20, 2007
    • 3 replies
    • 1.8k views
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    • Primarygun
    • July 21, 2007

11. Lightning, thunder: Einstein's 'biggest blunder'?

    By KaiduOrkhon, July 20, 2007
    • 0 replies
    • 548 views
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    • KaiduOrkhon
    • July 20, 2007

12. Questions about solar system dynamics etc.

    By SriDharma, July 20, 2007
    • 7 replies
    • 1.6k views
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    • grifter
    • July 20, 2007

13. Questions about fundamental astronomy

    By Primarygun, July 19, 2007
    • 1 reply
    • 1.1k views
    • 
    • Jacques
    • July 19, 2007

14. Universal expansion acceleration

    By Jacques, July 18, 2007
    • 5 replies
    • 1.4k views
    • 
    • losfomot
    • July 19, 2007

15. Where are the scientists who share our values and goals

    By Dr.Salem, July 15, 2007
    • 2 replies
    • 1.2k views
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    • Country Boy
    • July 17, 2007

16. infinite density in black holes?

    By foofighter, July 8, 2007
    • 9 replies
    • 1.6k views
    • 
    • foofighter
    • July 10, 2007

17. damaging space-time

    By foofighter, July 8, 2007
    • 13 replies
    • 1.7k views
    • 
    • foofighter
    • July 9, 2007

18. Bojowald in July Nature Physics, probing before bigbang with quantum cosmology

    By Martin, July 2, 2007
    • 10 replies
    • 1.9k views
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    • Martin
    • July 6, 2007

19. A Neptune Mass Planet in the Oort Cloud

    By Astrobuff, June 30, 2007
    • 7 replies
    • 2.3k views
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    • Ophiolite
    • July 5, 2007

20. Could the big bang have been caused by a black hole?

    By Hypercube, July 3, 2007
    • 4 replies
    • 1.8k views
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    • Martin
    • July 3, 2007

21. Simple Explanation of Monotonically Increasing Redshifts

    By jbahr, July 2, 2007
    • 4 replies
    • 1.4k views
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    • jbahr
    • July 3, 2007

22. Science poetry

    By goingtothedo, June 28, 2007
    • 7 replies
    • 6.2k views
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    • Martin
    • July 3, 2007

23. crossing the event horizon for a short distance?

    By Neil9327, July 2, 2007
    • 4 replies
    • 1.3k views
    • 
    • Spyman
    • July 2, 2007

24. Solar system future: John Baez timeline 1 2

    By Martin, May 28, 2007
    • 27 replies
    • 3.4k views
    • 
    • Spyman
    • July 2, 2007

25. Is Simple Life Common in Universe?

    By Luminal, July 1, 2007
    • 1 reply
    • 919 views
    • 
    • Sisyphus
    • July 1, 2007