Astronomy and Cosmology

3708 topics in this forum

1. Gravity and all that:

   By beecee, July 15, 2017
   • 3 replies
   • 1.3k views
   • 
   • Mordred
   • July 16, 2017

2. Galaxies

   By Thrand, September 24, 2004
   • 2 replies
   • 1.3k views
   • 
   • albymangles
   • October 13, 2004

3. Toward a 21st Century Cosmology

   By budrap, January 2, 2011
   • 2 replies
   • 1.3k views
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   • imatfaal
   • January 6, 2011

4. Has polar ice been discovered on Mercury?

   By vertigonight, April 5, 2005
   • 4 replies
   • 1.3k views
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   • us.2u
   • April 20, 2005

5. telescope in space

   By Ivan Tuzikov, December 13, 2011
   • 5 replies
   • 1.3k views
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   • 36grit
   • December 16, 2011

6. possibility uses

   By ajbesh, April 11, 2014
   • 5 replies
   • 1.3k views
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   • MigL
   • April 12, 2014

7. Science terms and science questions

   By Wolte, May 1, 2019
   • 14 replies
   • 1.3k views
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   • Strange
   • May 2, 2019

8. New images of Mercury

   By Realitycheck, October 7, 2008
   • 8 replies
   • 1.3k views
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   • Arch2008
   • October 14, 2008

9. Underwater training for astronauts

   By khanna.rajeev90, February 6, 2009
   • 6 replies
   • 1.3k views
   • 
   • poonam.jain
   • February 9, 2009

10. Gamma Ray Burst Spotted Today

    By Pangloss, May 9, 2005
    • 3 replies
    • 1.3k views
    • 
    • Erich
    • May 23, 2005

11. Gigantic hexagon in Saturn clouds

    By Baby Astronaut, January 31, 2009
    • 3 replies
    • 1.3k views
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    • D H
    • January 31, 2009

12. Moon, Venus and Jupiter

    By Royston, December 1, 2008
    • 6 replies
    • 1.3k views
    • 
    • Royston
    • December 8, 2008

13. Solar fusion

    By alpha2cen, March 14, 2011
    • 1 reply
    • 1.3k views
    • 
    • swansont
    • March 14, 2011

14. My Theory About the Moon

    By CDizzle, July 21, 2009
    • 5 replies
    • 1.3k views
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    • Mokele
    • July 24, 2009

15. Is there an advantage to making ones own telescope

    By Delberty, May 13, 2020
    • 6 replies
    • 1.3k views
    • 
    • Danijel Gorupec
    • May 14, 2020

16. Walking on Mars.

    By dstebbins, May 10, 2007
    • 9 replies
    • 1.3k views
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    • MolotovCocktail
    • May 11, 2007

17. Myriad Planets In Our Solar System And Copernicus Smiled

    By BSG CORP, November 20, 2007
    • 3 replies
    • 1.3k views
    • 
    • iNow
    • November 30, 2007

18. Infinite space

    By jeheron, November 11, 2007
    • 5 replies
    • 1.3k views
    • 
    • Martin
    • November 12, 2007

19. Martian Plate Tectonics - or not

    By MigL, December 13, 2015
    • 5 replies
    • 1.3k views
    • 
    • MigL
    • December 15, 2015

20. The Sun's Gravity Well

    By AceEducator, March 2, 2017
    • 1 reply
    • 1.3k views
    • 
    • swansont
    • March 2, 2017

21. Colour in Space?

    By us.2u, November 21, 2004
    • 10 replies
    • 1.3k views
    • 
    • Gilded
    • November 21, 2004

22. how to measure moon

    By offair, June 12, 2005
    • 5 replies
    • 1.3k views
    • 
    • offair
    • June 13, 2005

23. What determines the direction the "disk" shape faces of galaxys and solarsystems?

    By Banshii, April 5, 2013
    • 5 replies
    • 1.3k views
    • 
    • Enthalpy
    • April 6, 2013

24. Four questions about cosmology

    By Cosmobrain, April 5, 2014
    • 5 replies
    • 1.3k views
    • 
    • beefpatty
    • April 13, 2014

25. Two new binary quasars discovered

    By Martin, July 23, 2010
    • 2 replies
    • 1.3k views
    • 
    • Airbrush
    • October 16, 2010