Astronomy and Cosmology

3708 topics in this forum

1. Question about infinity…

   By JonM, September 28, 2005
   • 4 replies
   • 1.2k views
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   • Mobius
   • September 28, 2005

2. Are all Magnetic Dynamos the same ?

   By Widdekind, September 25, 2011
   • 2 replies
   • 1.2k views
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   • Widdekind
   • September 25, 2011

3. Anybody Watch NOVA

   By DarthDooku, April 29, 2004
   • 2 replies
   • 1.2k views
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   • admiral_ju00
   • April 30, 2004

4. Correspondence between mass/radius of both the observable universe and black holes

   By MarkE, May 12, 2021
   • 9 replies
   • 1.2k views
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   • joigus
   • May 18, 2021

5. How do you define orbital shape parameters?

   By SamBridge, June 13, 2013
   • 8 replies
   • 1.2k views
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   • D H
   • June 14, 2013

6. gravitons and black holes: whats your view on how probable it is for gravitons to be the main composition for black holes

   By proton2701, February 23, 2014
   • 5 replies
   • 1.2k views
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   • imatfaal
   • February 28, 2014

7. If life occurs on Venus, it must have originated in the clouds - true or false?

   By vertigonight, March 19, 2005
   • 4 replies
   • 1.2k views
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   • Ophiolite
   • March 20, 2005

8. galaxies receeding at the speed of light

   By johan01, January 20, 2009
   • 4 replies
   • 1.2k views
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   • NowThatWeKnow
   • January 21, 2009

9. Oseti

   By admiral_ju00, April 24, 2004
   • 2 replies
   • 1.2k views
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   • Dave
   • April 25, 2004

10. The Russians are coming!

    By Arch2008, December 30, 2009
    • 4 replies
    • 1.2k views
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    • Airbrush
    • January 8, 2010

11. Young Sun blasted Methane out of Inner System

    By Widdekind, May 14, 2009
    • 2 replies
    • 1.2k views
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    • alpha2cen
    • February 7, 2011

12. boson

    By chitrangda, May 10, 2008
    • 1 reply
    • 1.2k views
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    • 5614
    • May 10, 2008

13. The End of Space/Parallel Universe

    By whatliesbeyond?, October 6, 2009
    • 2 replies
    • 1.2k views
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    • iPeppers
    • October 7, 2009

14. Asteroids - Sphericity & Solidity associated?

    By Widdekind, February 20, 2010
    • 2 replies
    • 1.2k views
    • 
    • Widdekind
    • March 8, 2010

15. Newfound Asteroid will Come 10x Closer to Our Planet Than the Moon On Sunday

    By spacevudo, September 6, 2014
    • 0 replies
    • 1.2k views
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    • spacevudo
    • September 6, 2014

16. Tidal Lock

    By Moontanman, September 9, 2016
    • 4 replies
    • 1.2k views
    • 
    • Janus
    • September 10, 2016

17. Strange Stars

    By DrmDoc, November 17, 2016
    • 6 replies
    • 1.2k views
    • 
    • Mordred
    • November 18, 2016

18. Black Hole links

    By Martin, July 22, 2005
    • 2 replies
    • 1.2k views
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    • Spyman
    • July 22, 2005

19. 706 new exoplanet candidates

    By Martin, June 16, 2010
    • 1 reply
    • 1.2k views
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    • Airbrush
    • June 16, 2010

20. Physicists Announce Potential Dark Matter Breakthrough

    By paulsutton, June 17, 2020
    • 5 replies
    • 1.2k views
    • 
    • paulsutton
    • June 18, 2020

21. The Pole/Gravity Curvature!

    By liber_scientia, December 23, 2008
    • 2 replies
    • 1.2k views
    • 
    • D H
    • December 23, 2008

22. Inflation: expansion faster then the speed of light??

    By JustCurious?!, March 22, 2013
    • 1 reply
    • 1.2k views
    • 
    • ajb
    • March 22, 2013

23. N-Body Problem - need a simple answer for a created planetary system

    By Althistorybuff, March 22, 2017
    • 3 replies
    • 1.2k views
    • 
    • KipIngram
    • March 27, 2017

24. Could a magnet affect solar wind?

    By Daniel M, February 26, 2020
    • 6 replies
    • 1.2k views
    • 
    • Daniel M
    • March 9, 2020

25. Fomalhaut

    By Bmpbmp1975, April 21, 2020
    • 3 replies
    • 1.2k views
    • 
    • Strange
    • April 21, 2020