Astronomy and Cosmology

3686 topics in this forum

1. NASA to Webcast IBEX Spacecraft Launch

   By Zeta Pegasi, October 19, 2008
   • 0 replies
   • 782 views
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   • Zeta Pegasi
   • October 19, 2008

2. Is a soap bubble a valid analogy for the expansion of space?

   By Ghideon, August 1, 2018
   • 0 replies
   • 782 views
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   • Ghideon
   • August 1, 2018

3. Could Parallel Universes Be Physically Real?

   By Strange, May 23, 2019
   • 3 replies
   • 782 views
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   • dimreepr
   • May 23, 2019

4. Planck 2015 data released

   By Mordred, February 6, 2015
   • 0 replies
   • 781 views
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   • Mordred
   • February 6, 2015

5. Basic rule for the Atmospheric Reentry Time of non powered Glider Class vehicles

   By LaurieAG, April 7, 2018
   • 3 replies
   • 781 views
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   • LaurieAG
   • April 11, 2018

6. Just One Question?

   By Andromeda, August 5, 2009
   • 1 reply
   • 779 views
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   • ajb
   • August 6, 2009

7. Transmissions From Colony One - A realistic radio play about Mars exploration

   By richtersaurus, June 9, 2014
   • 0 replies
   • 779 views
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   • richtersaurus
   • June 9, 2014

8. When did humans realize that there are another galaxies?

   By hamburger228, May 25, 2018
   • 5 replies
   • 779 views
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   • Mordred
   • May 26, 2018

9. Ancient Martian impact

   By Arch2008, June 26, 2008
   • 1 reply
   • 778 views
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   • antimatter
   • June 27, 2008

10. Hubble's Constant........

    By Harlequinne, December 16, 2008
    • 1 reply
    • 778 views
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    • John Cuthber
    • December 16, 2008

11. The Galaxy gravity distributon?

    By alpha2cen, January 1, 2011
    • 4 replies
    • 778 views
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    • alpha2cen
    • January 3, 2011

12. Van de Graaff generator on the Moon

    By harlock, January 17, 2019
    • 5 replies
    • 778 views
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    • Endy0816
    • January 18, 2019

13. Sunspots on Venus?

    By Graxwell, June 3, 2015
    • 0 replies
    • 777 views
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    • Graxwell
    • June 3, 2015

14. Sun orbits on a Level plain

    By ed84c, January 19, 2005
    • 2 replies
    • 776 views
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    • ed84c
    • January 19, 2005

15. Black Holes and/or Wormholes:

    By beecee, June 12, 2018
    • 2 replies
    • 776 views
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    • beecee
    • June 15, 2018

16. Spacetime from a different perspective

    By PakoThePlatypus, July 20, 2021
    • 3 replies
    • 776 views
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    • Intoscience
    • July 21, 2021

17. False picture possible on optical telescopes

    By Yanosh, May 4, 2021
    • 3 replies
    • 775 views
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    • beecee
    • May 4, 2021

18. Could singularities be broken by space “pressure“?

    By Thoughtless, June 27, 2021
    • 3 replies
    • 775 views
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    • Thoughtless
    • June 28, 2021

19. smart-1 satellite will hit the moon

    By Jacques, September 1, 2006
    • 1 reply
    • 774 views
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    • Bluenoise
    • September 1, 2006

20. Seeded Hawking radiation?

    By Enthalpy, August 9, 2014
    • 0 replies
    • 774 views
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    • Enthalpy
    • August 9, 2014

21. Vacuum Energy Measurements Q

    By EdEarl, April 8, 2016
    • 3 replies
    • 773 views
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    • Mordred
    • April 8, 2016

22. Spacetime

    By PrimalMinister, September 24, 2018
    • 4 replies
    • 773 views
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    • swansont
    • September 24, 2018

23. Eternal universe (split from Universe expanding...)

    By Airbrush, February 17, 2021
    • 5 replies
    • 773 views
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    • swansont
    • February 17, 2021

24. Science fraud behind grand cosmology discovery

    By aguest, April 30, 2007
    • 1 reply
    • 772 views
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    • Phi for All
    • May 1, 2007

25. Birth of Galaxies Theory

    By norefillsx, April 28, 2009
    • 1 reply
    • 772 views
    • 
    • jackson33
    • April 29, 2009