Astronomy and Cosmology

3705 topics in this forum

1. Snow on Mars Created Glaciers Near Equator

   By herpguy, January 21, 2006
   • 4 replies
   • 1.2k views
   • 
   • aguy2
   • January 21, 2006

2. Stardust@home

   By Airmid, January 21, 2006
   • 0 replies
   • 776 views
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   • Airmid
   • January 21, 2006

3. Seeing planets in front of suns

   By MacroQuantum, January 20, 2006
   • 1 reply
   • 1k views
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   • Molotov
   • January 20, 2006

4. Distance and space expansion

   By Jacques, January 13, 2006
   • 17 replies
   • 2.2k views
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   • philcandless
   • January 20, 2006

5. Lightning comes from Space

   By Erich, August 10, 2005
   • 9 replies
   • 2k views
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   • Erich
   • January 16, 2006

6. "Scientists moot gravity-busting hyperdrive"

   By Jimmy Ray, January 12, 2006
   • 6 replies
   • 1.4k views
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   • Jimmy Ray
   • January 13, 2006

7. Biggest Contributors to Astronomy

   By Martian, January 12, 2006
   • 2 replies
   • 1.2k views
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   • aguy2
   • January 12, 2006

8. Cosmic Background Radiation is sum of the stars

   By Kedas, January 8, 2006
   • 12 replies
   • 1.4k views
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   • Kedas
   • January 12, 2006

9. Can causality and symmetry teach us anything about cosmology? 1 2

   By bascule, January 5, 2006
   • 26 replies
   • 3.4k views
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   • aguy2
   • January 8, 2006

10. space and time created at the Big Bang

    By gib65, January 4, 2006
    • 18 replies
    • 2.2k views
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    • Stringtheory
    • January 8, 2006

11. planets

    By rabid_dog, January 5, 2006
    • 1 reply
    • 901 views
    • 
    • [Tycho?]
    • January 5, 2006

12. One question regarding the light!

    By tuzzer, January 3, 2006
    • 4 replies
    • 1.1k views
    • 
    • swansont
    • January 3, 2006

13. Neutron density; stable or unstable?

    By sunspot, January 2, 2006
    • 4 replies
    • 958 views
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    • swansont
    • January 3, 2006

14. Crystal cube 3D maps of the universe

    By Martin, December 25, 2005
    • 2 replies
    • 3.6k views
    • 
    • Martin
    • December 26, 2005

15. questions related to telescope.....

    By albertlee, December 25, 2005
    • 0 replies
    • 919 views
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    • albertlee
    • December 25, 2005

16. 'Buffy' (2004 XR190) puzzles astronomers

    By andy lloyd, December 13, 2005
    • 2 replies
    • 2k views
    • 
    • andy lloyd
    • December 25, 2005

17. Galaxies and star formation

    By sunspot, December 22, 2005
    • 9 replies
    • 1.4k views
    • 
    • insane_alien
    • December 22, 2005

18. Primordial Atom; revisited

    By sunspot, December 19, 2005
    • 3 replies
    • 1.9k views
    • 
    • [Tycho?]
    • December 22, 2005

19. Need Help settling big bang related argument.

    By BruceDes, December 21, 2005
    • 5 replies
    • 1.1k views
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    • Jim
    • December 21, 2005

20. Graviton thermalization and black hole entropy

    By Royston, December 16, 2005
    • 0 replies
    • 746 views
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    • Royston
    • December 16, 2005

21. dark energy

    By Spin, November 21, 2005
    • 8 replies
    • 1.6k views
    • 
    • luc
    • December 13, 2005

22. Dark Matter = Black Holes?

    By Daymare17, November 27, 2005
    • 5 replies
    • 1.5k views
    • 
    • luc
    • December 13, 2005

23. A big bang in an infinite flat universe? 1 2

    By bascule, December 7, 2005
    • 32 replies
    • 3.7k views
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    • guardian
    • December 10, 2005

24. Do we really need dark matter?

    By kenshin, December 6, 2005
    • 5 replies
    • 1.3k views
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    • kenshin
    • December 7, 2005

25. Solar energy absorbed by earth per unit of time

    By [Tycho?], November 17, 2005
    • 16 replies
    • 5.5k views
    • 
    • CanadaAotS
    • December 7, 2005