Astronomy and Cosmology

3708 topics in this forum

1. Young Black Hole

   By dazed, November 17, 2010
   • 20 replies
   • 4k views
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   • csmyth3025
   • August 23, 2011

2. The block universe concept, pros and cons.

   By ajb, January 11, 2010
   • 11 replies
   • 4k views
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   • ajb
   • January 12, 2010

3. universe is 1 trillion years old 1 2

   By gib65, May 6, 2006
   • 31 replies
   • 4k views
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   • GuardianTech
   • May 19, 2006

4. Building your own satellite? 1 2

   By Guest Burg, October 26, 2004
   • 31 replies
   • 4k views
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   • 314159
   • May 11, 2006

5. Expansion Momentum 1 2

   By J.C.MacSwell, September 5, 2006
   • 33 replies
   • 4k views
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   • Spyman
   • September 14, 2006

6. How fast is Earth growing?

   By h4tt3n, November 18, 2006
   • 22 replies
   • 3.9k views
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   • [Tycho?]
   • November 23, 2006

7. A place of existence 1 2

   By Nelson, July 21, 2012
   • 26 replies
   • 3.9k views
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   • Airbrush
   • July 23, 2012

8. Does it happen?

   By sriram, June 24, 2006
   • 17 replies
   • 3.9k views
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   • Mokele
   • June 28, 2006

9. Expansion

   By MrFoos, October 12, 2012
   • 20 replies
   • 3.9k views
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   • imatfaal
   • October 23, 2012

10. Motion in Outer Space

    By Luna, April 21, 2011
    • 11 replies
    • 3.9k views
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    • Ophiolite
    • May 18, 2011

11. Wikipedia 1 2

    By DarthDooku, July 28, 2004
    • 26 replies
    • 3.9k views
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    • DarthDooku
    • August 13, 2004

12. my new theory on the universe 1 2

    By Moopy, July 10, 2005
    • 38 replies
    • 3.9k views
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    • J.C.MacSwell
    • July 12, 2005

13. Distance and space expansion 1 2

    By Jacques, February 25, 2011
    • 25 replies
    • 3.9k views
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    • Jacques
    • March 3, 2011

14. Space-Time

    By *Marmite*, November 23, 2002
    • 23 replies
    • 3.9k views
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    • Sirjon
    • June 8, 2009

15. How did the universe come to be? 1 2

    By dcstegg228, March 23, 2006
    • 27 replies
    • 3.9k views
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    • Klaynos
    • May 28, 2006

16. What was before the BB? 1 2

    By Alubadi21, April 13, 2017
    • 29 replies
    • 3.9k views
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    • goldglow
    • April 19, 2017

17. light speed 1 2

    By jamey2k9, March 1, 2009
    • 35 replies
    • 3.9k views
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    • lakmilis
    • March 29, 2009

18. scientist are still looking for zero temperature 1 2

    By boywonder, February 3, 2009
    • 36 replies
    • 3.9k views
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    • swansont
    • February 13, 2009

19. Orbits

    By stevo247, March 8, 2008
    • 23 replies
    • 3.9k views
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    • swansont
    • August 12, 2008

20. exact value of vaccum catastroph ? 1 2

    By stephaneww, April 26, 2016
    • 27 replies
    • 3.9k views
    • 
    • stephaneww
    • March 12, 2017

21. The ever changing Sun's magnetic field. 1 2

    By Robittybob1, February 10, 2015
    • 41 replies
    • 3.8k views
    • 
    • Robittybob1
    • February 27, 2015

22. Help stamp out the Big Bang! 1 2

    By Martin, June 16, 2006
    • 27 replies
    • 3.8k views
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    • reor
    • June 21, 2006

23. A big bang in an infinite flat universe? 1 2

    By bascule, December 7, 2005
    • 32 replies
    • 3.8k views
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    • guardian
    • December 10, 2005

24. Terraforming Mars 1 2

    By Daymare17, September 11, 2005
    • 32 replies
    • 3.8k views
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    • BigMoosie
    • September 13, 2005

25. Could this explain the dark energy phenomenon? 1 2

    By john hunter, March 23, 2010
    • 31 replies
    • 3.8k views
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    • michel123456
    • April 15, 2010