Astronomy and Cosmology

3685 topics in this forum

1. Astronomy links 1 2 3 4 5

   By Martin, May 24, 2004
   • 105 replies
   • 103.5k views
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   • swansont
   • June 25, 2021

2. Cosmo Basics

   By Martin, October 19, 2008
   • 13 replies
   • 27.3k views
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   • swansont
   • August 3, 2018

3. Cosmological Principle 1 2 3

   By Mordred, May 30, 2015
   • 52 replies
   • 36k views
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   • michel123456
   • June 22, 2020

4. Using BOINC / seti@home?

   By Sayonara, August 29, 2010
   • 10 replies
   • 20.5k views
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   • Altruist1
   • March 26, 2016

5. ????

   By rigney, June 7, 2010
   • 5 replies
   • 1.3k views
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   • rigney
   • June 7, 2010

6. ...looking back in time...

   By Manifold, September 17, 2004
   • 13 replies
   • 2.4k views
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   • Sorcerer
   • September 19, 2004

7. 'Buffy' (2004 XR190) puzzles astronomers

   By andy lloyd, December 13, 2005
   • 2 replies
   • 1.9k views
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   • andy lloyd
   • December 25, 2005

8. 'clumpy' cosmos expands non-uniformly ??

   By Widdekind, November 13, 2011
   • 1 reply
   • 1.5k views
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   • pantheory
   • November 15, 2011

9. 'Instability Strip' from fusion PP-to-CNO transition ?

   By Widdekind, August 6, 2011
   • 6 replies
   • 3.9k views
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   • Enthalpy
   • September 29, 2015

10. 'Killer' Asteroids?

    By Moonguy, April 9, 2015
    • 4 replies
    • 1.6k views
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    • Airbrush
    • May 4, 2015

11. 'New Arm' of Milky Way links to Perseus arm ??

    By Widdekind, May 18, 2011
    • 0 replies
    • 1.1k views
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    • Widdekind
    • May 18, 2011

12. "clumps" of Cold Neutrinos = Dark Matter ??

    By Widdekind, April 25, 2010
    • 8 replies
    • 2.2k views
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    • insane_alien
    • June 2, 2010

13. "Cold Space"

    By frosch45, December 2, 2009
    • 4 replies
    • 1.7k views
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    • lakmilis
    • December 5, 2009

14. "Creation" of the Universe

    By Ivan Tuzikov, February 5, 2013
    • 7 replies
    • 1.6k views
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    • Spyman
    • February 6, 2013

15. "Dark Disc galaxy" in Virgo cluster +50 Mly

    By Widdekind, July 7, 2011
    • 1 reply
    • 2.8k views
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    • Widdekind
    • July 7, 2011

16. "Deep Impact" July 4th reminder

    By Martin, June 29, 2005
    • 7 replies
    • 1.5k views
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    • Martin
    • July 4, 2005

17. "Harmonices Mundi"

    By Proteus, January 30, 2010
    • 4 replies
    • 1.3k views
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    • insane_alien
    • January 31, 2010

18. "Headlight" effects in Accretion Disks ?

    By Widdekind, October 1, 2011
    • 1 reply
    • 848 views
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    • Enthalpy
    • October 2, 2011

19. "Our space is curved" 1 2

    By Genady, January 2, 2022
    • 33 replies
    • 2.7k views
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    • Genady
    • January 3, 2022

20. "Pillars of Creation" in Nebula dead, but article wrong?

    By padren, January 10, 2007
    • 2 replies
    • 987 views
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    • Spyman
    • January 10, 2007

21. "Planck red-shift" ?

    By Widdekind, August 8, 2011
    • 0 replies
    • 912 views
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    • Widdekind
    • August 8, 2011

22. "Prompt" vs "Delayed" SNIa from WD age, Temp. ?

    By Widdekind, June 20, 2011
    • 3 replies
    • 1.8k views
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    • pantheory
    • June 25, 2011

23. "Scientists moot gravity-busting hyperdrive"

    By Jimmy Ray, January 12, 2006
    • 6 replies
    • 1.3k views
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    • Jimmy Ray
    • January 13, 2006

24. "Shocking" video of comet ISON causes "panic"?!? 1 2 3

    By sevenseas, June 8, 2013
    • 53 replies
    • 49.5k views
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    • Mr Monkeybat
    • October 3, 2013

25. "Star Destroyer" beams possible ?

    By Widdekind, January 3, 2012
    • 1 reply
    • 1k views
    • 
    • mathematic
    • January 4, 2012