Astronomy and Cosmology

3713 topics in this forum

1. Black holes (split from Is it possible to change the spin of a proton?)

   By lucks_021, October 22, 2018
   • 3 replies
   • 976 views
   • 
   • Strange
   • October 22, 2018

2. Holograms 1 2 3

   By PrimalMinister, September 24, 2018
   • 53 replies
   • 5k views
   • 
   • Strange
   • October 22, 2018

3. Doubling the Detection of FRB's :

   By beecee, October 11, 2018
   • 13 replies
   • 1.3k views
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   • mistermack
   • October 17, 2018

4. Going to Venus before Mars?

   By beecee, October 16, 2018
   • 2 replies
   • 895 views
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   • Airbrush
   • October 17, 2018

5. Space and Planetary Probes and Telescopes:

   By beecee, October 13, 2018
   • 0 replies
   • 656 views
   • 
   • beecee
   • October 13, 2018

6. Does accumulation of gravitational radiation increase quantity of meters in space?

   By DimaMazin, October 11, 2018
   • 10 replies
   • 1.1k views
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   • DimaMazin
   • October 13, 2018

7. Difference between gas composition of nebulae and gas planets like jupiter

   By Layers, October 6, 2018
   • 5 replies
   • 1.2k views
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   • beecee
   • October 7, 2018

8. stars observation

   By anti10188, October 6, 2018
   • 2 replies
   • 864 views
   • 
   • anti10188
   • October 6, 2018

9. how could the big bang happen?

   By sci-man, August 31, 2018
   • 14 replies
   • 2.5k views
   • 
   • Strange
   • October 6, 2018

10. Further Validity for the Big Bang?

    By beecee, October 5, 2018
    • 0 replies
    • 813 views
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    • beecee
    • October 5, 2018

11. Need help in putting words to formulas

    By anti10188, October 4, 2018
    • 8 replies
    • 1.1k views
    • 
    • anti10188
    • October 4, 2018

12. Argument for discrete space

    By DannyTR, October 1, 2018
    • 8 replies
    • 1.5k views
    • 
    • swansont
    • October 2, 2018

13. The Measure Problem 1 2 3 4 6

    By DannyTR, September 21, 2018
    • 130 replies
    • 12.1k views
    • 
    • Phi for All
    • September 29, 2018

14. The Logic Of The Big Bang 1 2

    By PrimalMinister, September 24, 2018
    • 28 replies
    • 3.2k views
    • 
    • Airbrush
    • September 27, 2018

15. Why doesn't the resonance of the entire universe experience damping?

    By John Harmonic, September 26, 2018
    • 5 replies
    • 759 views
    • 
    • John Harmonic
    • September 26, 2018

16. Spacetime

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

17. Logic

    By PrimalMinister, September 23, 2018
    • 9 replies
    • 1.3k views
    • 
    • studiot
    • September 23, 2018

18. Is this the final death knell for string theory and its derivatives?

    By beecee, September 14, 2018
    • 5 replies
    • 1.2k views
    • 
    • J.C.MacSwell
    • September 18, 2018

19. What is the maximum mass of a black hole? Could it be the source of the big bang?

    By László Hajós, September 14, 2018
    • 2 replies
    • 748 views
    • 
    • Strange
    • September 14, 2018

20. Is Dark Matter Real?

    By Itoero, August 22, 2018
    • 5 replies
    • 899 views
    • 
    • Strange
    • September 13, 2018

21. Mission to the center of the Sun

    By franco malgarini, September 6, 2018
    • 6 replies
    • 1.2k views
    • 
    • J.C.MacSwell
    • September 7, 2018

22. Pictures from solar eclips, showing bending of starlight?

    By Hello2, September 4, 2018
    • 3 replies
    • 894 views
    • 
    • Strange
    • September 4, 2018

23. Tides

    By elemental scorpion, September 3, 2018
    • 2 replies
    • 719 views
    • 
    • swansont
    • September 3, 2018

24. EM waves with astronomical wavelength

    By quiet, September 2, 2018
    • 12 replies
    • 1.4k views
    • 
    • John Cuthber
    • September 3, 2018

25. artificial gravity

    By Gian, August 29, 2018
    • 3 replies
    • 1.1k views
    • 
    • swansont
    • August 30, 2018