Astronomy and Cosmology

3712 topics in this forum

1. Even Thin Galaxies Can Grow Fat Black Holes

   By Dr. Spitzer, January 13, 2008
   • 0 replies
   • 893 views
   • 
   • Dr. Spitzer
   • January 13, 2008

2. COSMA simulations of dark energy

   By Royston, January 11, 2008
   • 3 replies
   • 1.3k views
   • 
   • thedarkshade
   • January 11, 2008

3. Chance to see a major asteroid impact. On Mars.

   By insane_alien, December 21, 2007
   • 9 replies
   • 2k views
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   • Kedas
   • January 10, 2008

4. solstice geometry

   By Norman Albers, January 3, 2008
   • 5 replies
   • 1.3k views
   • 
   • Norman Albers
   • January 8, 2008

5. Followup to Aigbusted's question

   By Martin, December 29, 2007
   • 19 replies
   • 1.9k views
   • 
   • iNow
   • December 31, 2007

6. Aigbusted's "habitable planet" question

   By Martin, December 28, 2007
   • 9 replies
   • 1.5k views
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   • Martin
   • December 31, 2007

7. Astronomers Say Moons Like Ours Are Uncommon

   By Dr. Spitzer, December 19, 2007
   • 6 replies
   • 1.6k views
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   • swansont
   • December 25, 2007

8. Time can't exist without matter (mass) and motion 1 2

   By Lakshya, October 26, 2007
   • 42 replies
   • 5.7k views
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   • Eric 5
   • December 24, 2007

9. Embryonic Star Captured with Jets Flaring

   By Dr. Spitzer, December 19, 2007
   • 1 reply
   • 1.1k views
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   • Martin
   • December 24, 2007

10. Fusion in a star

    By Realitycheck, December 19, 2007
    • 10 replies
    • 1.6k views
    • 
    • swansont
    • December 19, 2007

11. Matter expelled from supermassive black hole

    By Realitycheck, December 17, 2007
    • 2 replies
    • 1.3k views
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    • Martin
    • December 18, 2007

12. Nebula - What does it look like in reality?

    By mooeypoo, December 13, 2007
    • 2 replies
    • 5.3k views
    • 
    • Edtharan
    • December 13, 2007

13. Heavens Declare A Younger Solar System 1 2

    By ydoaPs, December 1, 2007
    • 34 replies
    • 4.2k views
    • 
    • losfomot
    • December 12, 2007

14. Airbrushed Space!!

    By bloodhound31, December 10, 2007
    • 3 replies
    • 1.2k views
    • 
    • richard
    • December 12, 2007

15. A.S.I.G.N. Astrophotography Guide

    By bloodhound31, November 30, 2007
    • 8 replies
    • 1.7k views
    • 
    • richard
    • December 11, 2007

16. the history of the solar system

    By milkyrain, November 20, 2007
    • 2 replies
    • 1.3k views
    • 
    • Fred56
    • December 8, 2007

17. Cosmological constant agrees with Dark Energy ?

    By Royston, December 4, 2007
    • 2 replies
    • 882 views
    • 
    • Royston
    • December 6, 2007

18. Watching the Big Bang? 1 2

    By YT2095, November 17, 2007
    • 33 replies
    • 3.8k views
    • 
    • YT2095
    • December 4, 2007

19. Myriad Planets In Our Solar System And Copernicus Smiled

    By BSG CORP, November 20, 2007
    • 3 replies
    • 1.4k views
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    • iNow
    • November 30, 2007

20. Greetings from A.S.I.G.N. Observatory!

    By bloodhound31, October 28, 2007
    • 8 replies
    • 1.8k views
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    • bloodhound31
    • November 30, 2007

21. Gamma Ray Bursts

    By salamanderma, November 26, 2007
    • 5 replies
    • 1.3k views
    • 
    • Reaper
    • November 30, 2007

22. Recent

    By Fred56, November 23, 2007
    • 2 replies
    • 1.3k views
    • 
    • Fred56
    • November 28, 2007

23. Quantum cosmologists argue we're shortening the life of the universe

    By bascule, November 25, 2007
    • 20 replies
    • 3.1k views
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    • JaKiri
    • November 25, 2007

24. Light Year

    By martianxx, November 6, 2007
    • 18 replies
    • 2.2k views
    • 
    • swansont
    • November 23, 2007

25. Multiple orgasm supernovas

    By Martin, November 16, 2007
    • 9 replies
    • 1.7k views
    • 
    • Martin
    • November 20, 2007