Astronomy and Cosmology

3686 topics in this forum

1. answers to dark matter

   By abstractthinker, February 7, 2016
   • 3 replies
   • 771 views
   • 
   • imatfaal
   • February 7, 2016

2. Black Holes Tutorial for lay people;

   By beecee, June 15, 2018
   • 5 replies
   • 771 views
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   • beecee
   • June 15, 2018

3. We and cosmic scales

   By Genady, January 18, 2022
   • 6 replies
   • 771 views
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   • iNow
   • January 19, 2022

4. Reading Komatsu, getting over a few notation hurdles

   By Martin, January 6, 2009
   • 0 replies
   • 770 views
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   • Martin
   • January 6, 2009

5. Helium dense zone within the Heliosphere

   By rangertab1, July 1, 2012
   • 0 replies
   • 769 views
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   • rangertab1
   • July 1, 2012

6. What is the Big Bang? (a missing piece of the timeline, QC tries to reconstruct it)

   By Martin, January 26, 2008
   • 0 replies
   • 766 views
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   • Martin
   • January 26, 2008

7. Pictures from solar eclips, showing bending of starlight?

   By Hello2, September 4, 2018
   • 3 replies
   • 766 views
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   • Strange
   • September 4, 2018

8. stars observation

   By anti10188, October 6, 2018
   • 2 replies
   • 766 views
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   • anti10188
   • October 6, 2018

9. Best telescope

   By weknowthewor, March 2, 2007
   • 1 reply
   • 765 views
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   • YT2095
   • March 2, 2007

10. Nice supercomputer sim of the formation of a small galaxy

    By Martin, January 18, 2010
    • 0 replies
    • 765 views
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    • Martin
    • January 18, 2010

11. How does General Relativity predict zero volume/infinite density of Black holes?

    By Nigel Denning, May 28, 2021
    • 2 replies
    • 765 views
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    • swansont
    • May 28, 2021

12. cosmic microwave confusion

    By inkliing, July 6, 2009
    • 0 replies
    • 764 views
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    • inkliing
    • July 6, 2009

13. Galaxy

    By japan rocks/andromeda, March 28, 2010
    • 4 replies
    • 764 views
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    • japan rocks/andromeda
    • March 28, 2010

14. Why are early objects so massive?

    By DarkStar8, January 8, 2013
    • 2 replies
    • 764 views
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    • Arch2008
    • January 9, 2013

15. DIY: Wormhole!

    By QuantumT, August 31, 2019
    • 0 replies
    • 764 views
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    • QuantumT
    • August 31, 2019

16. Inside The 24/7 Search For Another Habitable Planet Within 100 Light Years Of Earth

    By alfa015, November 26, 2019
    • 1 reply
    • 764 views
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    • Airbrush
    • November 28, 2019

17. Star chart help!!

    By qwe)k, March 27, 2008
    • 0 replies
    • 763 views
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    • qwe)k
    • March 27, 2008

18. Mass of Cosmic Bodies - How Are They Estimated?

    By jimmydasaint, June 3, 2010
    • 2 replies
    • 763 views
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    • jimmydasaint
    • June 4, 2010

19. Low Gravity effects on animals

    By deltabomber, October 17, 2011
    • 1 reply
    • 762 views
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    • Schrödinger's hat
    • October 17, 2011

20. ISON vs Voyager: Speed & Distance

    By skuzme210, December 3, 2013
    • 2 replies
    • 762 views
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    • skuzme210
    • December 3, 2013

21. Just how fast and unexpected life could end

    By norefillsx, April 28, 2009
    • 2 replies
    • 760 views
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    • norefillsx
    • April 28, 2009

22. What is the mechanism for the BIG BANG ?

    By Marius, January 3, 2022
    • 13 replies
    • 760 views
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    • Ghideon
    • January 3, 2022

23. Dark Energy

    By Agent Smith, January 18, 2023
    • 17 replies
    • 760 views
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    • Genady
    • January 23, 2023

24. Grand Unifying Theory of Everything (part 1: in which we find there was no beginning)

    By Guest, January 1, 1970
    • 0 replies
    • 758 views
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    • Guest
    • January 1, 1970

25. FTL via the entering and exiting of universes possessing dimensions in excess of 3

    By Calabi-Yau, May 6, 2008
    • 2 replies
    • 758 views
    • 
    • Calabi-Yau
    • May 6, 2008