Astronomy and Cosmology

3708 topics in this forum

1. How would the force of gravity differ in an Antimatter Universe?

   By Alan McDougall, January 27, 2014
   • 8 replies
   • 1.4k views
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   • Sensei
   • February 19, 2014

2. Fossils in meteroite?

   By tentacle, August 29, 2014
   • 5 replies
   • 1.4k views
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   • tentacle
   • August 29, 2014

3. Eternal Inflation.

   By Bill S, March 5, 2017
   • 6 replies
   • 1.4k views
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   • Bill S
   • March 10, 2017

4. first trip to the moon

   By akash shrestha, September 22, 2012
   • 4 replies
   • 1.4k views
   • 
   • imatfaal
   • September 24, 2012

5. Puzzling Filaments in Milky Way Explained

   By MolecularMan14, June 23, 2004
   • 0 replies
   • 1.4k views
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   • MolecularMan14
   • June 23, 2004

6. Universal expansion acceleration

   By Jacques, July 18, 2007
   • 5 replies
   • 1.4k views
   • 
   • losfomot
   • July 19, 2007

7. Is Recession Rate Impacted by Leaving Gravity Wells

   By zapatos, March 2, 2017
   • 17 replies
   • 1.4k views
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   • zapatos
   • March 3, 2017

8. WMAP findings

   By EvilMind, March 24, 2003
   • 0 replies
   • 1.4k views
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   • EvilMind
   • March 24, 2003

9. Gravity Range of a Galaxy

   By Deepak Kapur, June 11, 2014
   • 8 replies
   • 1.4k views
   • 
   • swansont
   • June 13, 2014

10. Looking for some good books.

    By hewj11, June 25, 2009
    • 6 replies
    • 1.4k views
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    • Airbrush
    • July 1, 2009

11. Did time move slower in the younger universe?

    By jryan, August 11, 2010
    • 5 replies
    • 1.4k views
    • 
    • Mr Skeptic
    • August 11, 2010

12. How special is the solar system?

    By admiral_ju00, August 1, 2004
    • 4 replies
    • 1.4k views
    • 
    • admiral_ju00
    • August 2, 2004

13. New Dicovery: Universe Beyond..?

    By Azukre, November 17, 2007
    • 7 replies
    • 1.4k views
    • 
    • Edtharan
    • November 18, 2007

14. stars are magnetic monopoles ??

    By Widdekind, August 3, 2011
    • 0 replies
    • 1.4k views
    • 
    • Widdekind
    • August 3, 2011

15. What makes them do this?

    By Mart, October 30, 2005
    • 5 replies
    • 1.4k views
    • 
    • swansont
    • October 31, 2005

16. mater in chidbirth

    By lollo, November 21, 2010
    • 6 replies
    • 1.4k views
    • 
    • mississippichem
    • November 22, 2010

17. Why we mark a New Year January 1?

    By Moreno, December 26, 2018
    • 10 replies
    • 1.4k views
    • 
    • dimreepr
    • December 27, 2018

18. An item of interest? - Pluto's atmosphere is getting thicker

    By Kettle, July 9, 2003
    • 2 replies
    • 1.4k views
    • 
    • Kettle
    • July 10, 2003

19. Venus' ancient oceans

    By VedekPako, April 6, 2010
    • 3 replies
    • 1.4k views
    • 
    • Airbrush
    • April 7, 2010

20. First extrasolar planet observed

    By luc, January 11, 2005
    • 7 replies
    • 1.4k views
    • 
    • luc
    • January 14, 2005

21. Astronomers unveil most detailed map of the Milky Way to date

    By Sensei, December 7, 2016
    • 7 replies
    • 1.4k views
    • 
    • Janus
    • December 9, 2016

22. What do you think about Proxima b?

    By alfa015, April 5, 2017
    • 3 replies
    • 1.4k views
    • 
    • alfa015
    • April 5, 2017

23. What is the depth of the gravitational potential of the universe?

    By Halc, February 27, 2021
    • 9 replies
    • 1.4k views
    • 
    • Mordred
    • January 4, 2023

24. Mars: Life or no Life. That is the question

    By apollo2011, May 8, 2003
    • 4 replies
    • 1.4k views
    • 
    • cHIs-
    • June 11, 2003

25. Distance required

    By Herjan, February 6, 2006
    • 6 replies
    • 1.4k views
    • 
    • [Tycho?]
    • February 27, 2006