Astronomy and Cosmology

3708 topics in this forum

1. universe using faces to kill shock

   By iwasbitten, June 30, 2012
   • 1 reply
   • 1.4k views
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   • Klaynos
   • June 30, 2012

2. The higgs boson and its scalar field.

   By Sorcerer, June 8, 2015
   • 7 replies
   • 1.4k views
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   • Mordred
   • June 12, 2015

3. The Moving Universe

   By sfphysics, April 27, 2011
   • 5 replies
   • 1.4k views
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   • Airbrush
   • April 27, 2011

4. Plants in Super Habitable Exoplanets Could Look Purple

   By alfa015, December 31, 2019
   • 11 replies
   • 1.4k views
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   • Airbrush
   • January 4, 2020

5. Questions: differences between M-theory & Multiverse?

   By storyteller, August 6, 2021
   • 9 replies
   • 1.4k views
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   • SergUpstart
   • August 7, 2021

6. 3D satellite world map

   By Guest michaltina, August 25, 2003
   • 3 replies
   • 1.4k views
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   • apollo2011
   • September 6, 2003

7. SETI question

   By parkinho, June 1, 2005
   • 4 replies
   • 1.4k views
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   • Newtonian
   • June 3, 2005

8. Trying to understand Primordial Black holes

   By justinater22, December 2, 2012
   • 7 replies
   • 1.4k views
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   • justinater22
   • December 4, 2012

9. What would make an alien planet black as coal?

   By trez500, September 25, 2011
   • 5 replies
   • 1.4k views
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   • insane_alien
   • September 26, 2011

10. Planet Nine

    By Airbrush, December 1, 2016
    • 6 replies
    • 1.4k views
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    • imatfaal
    • December 5, 2016

11. What is Dark Matter?

    By velo, April 26, 2007
    • 9 replies
    • 1.4k views
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    • Severian
    • April 28, 2007

12. Star's habitable zone?

    By Moontanman, June 8, 2019
    • 9 replies
    • 1.4k views
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    • Moontanman
    • September 30, 2019

13. Two cosmological hypotheses

    By bascule, June 13, 2005
    • 7 replies
    • 1.4k views
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    • Nicholas
    • June 23, 2005

14. Comet dust contains "fire and ice"

    By The Peon, March 14, 2006
    • 4 replies
    • 1.4k views
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    • The Peon
    • April 4, 2006

15. photogenic coincidence?

    By michel123456, February 25, 2013
    • 3 replies
    • 1.4k views
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    • swansont
    • March 4, 2013

16. Ellipsoid Universe (new cosmology paper)

    By Martin, September 27, 2006
    • 2 replies
    • 1.4k views
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    • Martin
    • September 27, 2006

17. Asteroid?

    By Gareth56, April 1, 2010
    • 6 replies
    • 1.4k views
    • 
    • Gareth56
    • April 6, 2010

18. Life: your thoughts

    By luc, April 24, 2005
    • 7 replies
    • 1.4k views
    • 
    • Nevermore
    • April 25, 2005

19. "Scientists moot gravity-busting hyperdrive"

    By Jimmy Ray, January 12, 2006
    • 6 replies
    • 1.4k views
    • 
    • Jimmy Ray
    • January 13, 2006

20. observable and visible

    By devrimci_kürt, January 17, 2009
    • 7 replies
    • 1.4k views
    • 
    • swansont
    • January 18, 2009

21. Did a Meteorite Hit the Capital of Nicaragua?

    By spacevudo, September 15, 2014
    • 6 replies
    • 1.4k views
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    • GeeKay
    • September 26, 2014

22. The Foolishness of Intelligent Design Theories

    By Jenab, May 27, 2004
    • 2 replies
    • 1.4k views
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    • admiral_ju00
    • May 28, 2004

23. questions about Galaxies and Blazars

    By Money, August 23, 2007
    • 5 replies
    • 1.4k views
    • 
    • RyanJ
    • August 23, 2007

24. the origin of the very high energy cosmic ray ?

    By alpha2cen, February 7, 2011
    • 10 replies
    • 1.4k views
    • 
    • alpha2cen
    • February 13, 2011

25. Quantum FX in Magnetars ??

    By Widdekind, August 15, 2011
    • 2 replies
    • 1.4k views
    • 
    • Widdekind
    • August 18, 2011