Astronomy and Cosmology

3708 topics in this forum

1. New universe? (split from could the universe have a center)

   By geordief, October 14, 2016
   • 13 replies
   • 1.5k views
   • 
   • geordief
   • October 18, 2016

2. About Expanding Universe

   By johana, December 14, 2009
   • 4 replies
   • 1.5k views
   • 
   • mooeypoo
   • December 16, 2009

3. Word Of Astronomy

   By Guest Omnific, July 18, 2004
   • 5 replies
   • 1.5k views
   • 
   • DarthDooku
   • July 28, 2004

4. Dark fluid

   By Royston, March 5, 2008
   • 2 replies
   • 1.5k views
   • 
   • kaneda
   • March 7, 2008

5. Final State of the Universe

   By Airbrush, November 20, 2012
   • 7 replies
   • 1.5k views
   • 
   • Airbrush
   • November 22, 2012

6. New White Dwarf Mass Limit

   By T. McGrath, February 2, 2018
   • 4 replies
   • 1.5k views
   • 
   • T. McGrath
   • February 7, 2018

7. More questions about the universe

   By JustinW, March 13, 2012
   • 3 replies
   • 1.5k views
   • 
   • JustinW
   • March 14, 2012

8. Is dark matter just Electromagnetism?

   By Anunnaki, May 2, 2017
   • 9 replies
   • 1.5k views
   • 
   • swansont
   • May 9, 2017

9. Simple Explanation of Monotonically Increasing Redshifts

   By jbahr, July 2, 2007
   • 4 replies
   • 1.5k views
   • 
   • jbahr
   • July 3, 2007

10. Whiteholes and the fact that none have been found

    By LabRat1, March 13, 2017
    • 13 replies
    • 1.5k views
    • 
    • Daecon
    • March 16, 2017

11. Flyby Anomaly

    By D H, October 30, 2008
    • 3 replies
    • 1.5k views
    • 
    • Sisyphus
    • October 30, 2008

12. What's the dealio with the heliosphere?

    By GrandMasterK, December 2, 2015
    • 4 replies
    • 1.5k views
    • 
    • Ophiolite
    • December 3, 2015

13. Ground speed of moon on earth

    By Saber, June 14, 2023
    • 20 replies
    • 1.5k views
    • 
    • Airbrush
    • July 18, 2023

14. Dino's First?

    By us.2u, March 17, 2005
    • 10 replies
    • 1.5k views
    • 
    • Ophiolite
    • March 18, 2005

15. Beginning hypothesis

    By eoinmac, June 21, 2010
    • 4 replies
    • 1.5k views
    • 
    • michel123456
    • June 24, 2010

16. radio-ray bursters ??

    By Widdekind, July 13, 2013
    • 1 reply
    • 1.5k views
    • 
    • EdEarl
    • July 14, 2013

17. Fast Rotating Asteroids

    By GeeKay, January 15, 2018
    • 3 replies
    • 1.5k views
    • 
    • mistermack
    • January 16, 2018

18. Galaxi trick, How can it be farther away than its existence time?

    By Kedas, February 29, 2004
    • 6 replies
    • 1.5k views
    • 
    • JaKiri
    • March 2, 2004

19. pluto

    By CPL.Luke, August 14, 2005
    • 7 replies
    • 1.5k views
    • 
    • Janus
    • August 15, 2005

20. Chat with hot singularities in your area

    By TrumpetPlayer, May 20, 2010
    • 10 replies
    • 1.5k views
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    • Nano
    • May 23, 2010

21. Rebang

    By 36grit, May 10, 2011
    • 6 replies
    • 1.5k views
    • 
    • 36grit
    • May 13, 2011

22. Comet/Meteor Impact with Earth - split from Rosetta

    By kristalris, November 14, 2014
    • 5 replies
    • 1.5k views
    • 
    • Ophiolite
    • November 14, 2014

23. Copernicus face told from his skull

    By Martin, November 5, 2005
    • 2 replies
    • 1.5k views
    • 
    • LucidDreamer
    • November 5, 2005

24. The Big Bang and the Sun

    By dordle-loddle, July 30, 2017
    • 4 replies
    • 1.5k views
    • 
    • beecee
    • July 30, 2017

25. Dark energy

    By Martin, May 31, 2004
    • 2 replies
    • 1.5k views
    • 
    • Martin
    • May 31, 2004