Astronomy and Cosmology

3708 topics in this forum

1. Lunar Inclination, why does it vary ?

   By Bjarne, January 10, 2015
   • 6 replies
   • 1.5k views
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   • Bjarne
   • January 10, 2015

2. Neutron Stars

   By Kirin Eldridge, April 26, 2015
   • 8 replies
   • 1.5k views
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   • swansont
   • May 6, 2015

3. Is this possible

   By ledzeppelin3, October 23, 2004
   • 6 replies
   • 1.5k views
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   • Playmaker03
   • October 25, 2004

4. Geostationary orbit ?

   By Externet, March 11, 2009
   • 11 replies
   • 1.5k views
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   • dirtyamerica
   • March 28, 2009

5. Pseudo Red Shift

   By sunspot, April 7, 2006
   • 8 replies
   • 1.5k views
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   • swansont
   • April 14, 2006

6. My theory to the Universe

   By ncook90, January 25, 2012
   • 5 replies
   • 1.5k views
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   • Jiggerj
   • February 5, 2012

7. Question about the age of the universe

   By bobosmokey, April 15, 2006
   • 8 replies
   • 1.5k views
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   • Royston
   • May 12, 2006

8. NASA Finds water on the Moon

   By David Levy, October 15, 2012
   • 6 replies
   • 1.5k views
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   • Airbrush
   • October 16, 2012

9. Time Warps....

   By us.2u, February 9, 2005
   • 12 replies
   • 1.5k views
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   • us.2u
   • February 10, 2005

10. black hole question

    By sam1111, March 16, 2011
    • 4 replies
    • 1.5k views
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    • Spyman
    • March 16, 2011

11. Two Halves that don't make a whole

    By LaurieAG, December 18, 2014
    • 3 replies
    • 1.5k views
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    • LaurieAG
    • December 22, 2014

12. Frame shifting?

    By Playmaker03, October 25, 2004
    • 6 replies
    • 1.5k views
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    • Dov
    • October 31, 2004

13. A couple of black hole questions

    By Royston, September 30, 2005
    • 5 replies
    • 1.5k views
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    • Royston
    • October 1, 2005

14. a stupid question

    By Dumb cowboy, April 12, 2019
    • 9 replies
    • 1.5k views
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    • pzkpfw
    • April 12, 2019

15. Our Galaxy and Andromeda´s Galaxy

    By Flak, September 6, 2004
    • 8 replies
    • 1.5k views
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    • Flak
    • September 10, 2004

16. Most distant gamma ray blast seen

    By Martin, September 13, 2005
    • 11 replies
    • 1.5k views
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    • Martin
    • September 27, 2005

17. The opague BB phase

    By sunspot, April 11, 2006
    • 8 replies
    • 1.5k views
    • 
    • aguy2
    • April 16, 2006

18. Big Bang at t<0

    By Mr Skeptic, February 13, 2009
    • 10 replies
    • 1.5k views
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    • Martin
    • February 19, 2009

19. Can stars be a very large form of neural nets

    By Neurocomp2003, December 13, 2003
    • 5 replies
    • 1.5k views
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    • Sayonara
    • December 14, 2003

20. Strongest dark matter evidence so far

    By Martin, May 17, 2007
    • 8 replies
    • 1.5k views
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    • grifter
    • May 21, 2007

21. Big Bang Question

    By mcoy, September 28, 2004
    • 4 replies
    • 1.5k views
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    • Martin
    • October 1, 2004

22. some phenomenon?

    By chitrangda, April 13, 2009
    • 6 replies
    • 1.5k views
    • 
    • Martin
    • April 13, 2009

23. Concept of time

    By purintjp, June 3, 2009
    • 6 replies
    • 1.5k views
    • 
    • Martin
    • June 4, 2009

24. Dark energy

    By too-open-minded, June 19, 2012
    • 7 replies
    • 1.5k views
    • 
    • dimreepr
    • June 24, 2012

25. Neutron stars and black holes

    By petrushka.googol, July 19, 2015
    • 9 replies
    • 1.5k views
    • 
    • imatfaal
    • August 28, 2015