Astronomy and Cosmology

3687 topics in this forum

1. Do you have a new cosmology theory? 1 2

   By Martin, January 18, 2008
   • 36 replies
   • 5.9k views
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   • Martin
   • October 19, 2008

2. Your Favourite Star 1 2

   By Radical Edward, April 30, 2003
   • 37 replies
   • 5.9k views
   • 
   • TheProphet
   • September 1, 2004

3. How can a big bang expand to an infinite size? 1 2 3 4 5

   By Airbrush, November 25, 2023
   • 116 replies
   • 5.9k views
   • 
   • Markus Hanke
   • January 8

4. Earth - Moon - Sun are in orbital resonance ??

   By Widdekind, December 7, 2010
   • 12 replies
   • 5.9k views
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   • D H
   • January 4, 2011

5. Calculating weight on different planets

   By BearOfNH, July 22, 2013
   • 5 replies
   • 5.9k views
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   • Moonguy
   • July 31, 2013

6. Expanding Universe Illusion Theory 1 2

   By John Phoenix, October 17, 2010
   • 32 replies
   • 5.9k views
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   • Spyman
   • November 1, 2010

7. my thoughts on these theories... 1 2

   By jorden, September 28, 2011
   • 44 replies
   • 5.9k views
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   • Phi for All
   • October 17, 2011

8. What came first in spiral galaxy? 1 2 3

   By David Levy, December 13, 2015
   • 53 replies
   • 5.9k views
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   • David Levy
   • January 8, 2016

9. what is time? 1 2 3

   By dad, April 11, 2016
   • 64 replies
   • 5.8k views
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   • swansont
   • April 12, 2016

10. Can a redshift arise from expanding space? 1 2 3

    By Rolando, January 14, 2015
    • 53 replies
    • 5.8k views
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    • Mordred
    • January 20, 2015

11. The Paradox 1 2 3

    By David Levy, February 29, 2016
    • 56 replies
    • 5.8k views
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    • Endy0816
    • March 8, 2016

12. A New Hypothesis of The Creation of Lightning

    By Ronny Rondonuwu, July 8, 2004
    • 6 replies
    • 5.8k views
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    • Ronny Rondonuwu
    • July 12, 2004

13. Expansion speeds can be faster than light--T or F? 1 2 3

    By Martin, January 18, 2008
    • 52 replies
    • 5.8k views
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    • Eureko
    • March 19, 2008

14. movement through space? 1 2 3

    By syntax252, February 18, 2005
    • 53 replies
    • 5.8k views
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    • us.2u
    • February 24, 2005

15. Searching for Earth Like Planets 1 2 3

    By us.2u, January 17, 2005
    • 54 replies
    • 5.8k views
    • 
    • island
    • April 18, 2005

16. Dark Matter or Dark Force 1 2 3

    By TakenItSeriously, December 1, 2017
    • 73 replies
    • 5.8k views
    • 
    • LaurieAG
    • December 19, 2017

17. Did God create the universe? 1 2

    By Arjun Artro, December 1, 2012
    • 45 replies
    • 5.7k views
    • 
    • 36grit
    • March 24, 2013

18. Crashing into Andromeda 1 2

    By wildie9, February 10, 2021
    • 41 replies
    • 5.7k views
    • 
    • cannongray
    • April 27, 2021

19. Very old view of the Universe 1 2

    By michel123456, November 9, 2010
    • 34 replies
    • 5.7k views
    • 
    • michel123456
    • November 16, 2010

20. Time travel? 1 2

    By moonjelly<3, March 8, 2012
    • 40 replies
    • 5.7k views
    • 
    • Astrology
    • October 9, 2012

21. position & time from a picture of the sky. 1 2

    By michel123456, November 10, 2013
    • 28 replies
    • 5.7k views
    • 
    • michel123456
    • January 26, 2014

22. The CMB, how is that possible? 1 2

    By michel123456, November 1, 2014
    • 45 replies
    • 5.6k views
    • 
    • imatfaal
    • December 17, 2014

23. big bang 1 2 3

    By ydoaPs, June 17, 2005
    • 50 replies
    • 5.6k views
    • 
    • ashennell
    • November 3, 2005

24. Has the Bang been proven 1 2 3

    By jutntog1, May 3, 2005
    • 50 replies
    • 5.6k views
    • 
    • Moopy
    • May 12, 2005

25. a flat universe? 1 2 3

    By infoseeker, March 5, 2005
    • 59 replies
    • 5.6k views
    • 
    • crzykllrghst
    • March 25, 2005