Astronomy and Cosmology

3708 topics in this forum

1. Big Bang - doubts ?

   By ravell, January 21, 2018
   • 9 replies
   • 2.2k views
   • 
   • Strange
   • January 28, 2018

2. Is space folding a good method of space travel (if it is for real) 1 2

   By Lekgolo555, February 10, 2007
   • 42 replies
   • 41.8k views
   • 
   • Feralwrath
   • January 22, 2018

3. Can you witness the birth of the Universe?

   By Madheart918, January 8, 2018
   • 15 replies
   • 2.3k views
   • 
   • MigL
   • January 16, 2018

4. Fast Rotating Asteroids

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

5. Exoplanet discoveries 1 2

   By Strange, December 27, 2017
   • 44 replies
   • 4.7k views
   • 
   • Raider5678
   • January 12, 2018

6. Why is the observable universe flat? 1 2

   By Raider5678, January 2, 2018
   • 26 replies
   • 3.6k views
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   • Roamer
   • January 4, 2018

7. Mars Clock Delay

   By Raider5678, January 4, 2018
   • 4 replies
   • 886 views
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   • Janus
   • January 4, 2018

8. Some questions about the moon, please give directions

   By zands, January 2, 2018
   • 5 replies
   • 960 views
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   • interested
   • January 4, 2018

9. Expansion and Inflation

   By geordief, December 31, 2017
   • 19 replies
   • 1.8k views
   • 
   • Mordred
   • January 2, 2018

10. Why is the sky in the night Black???...

    By Koni, December 30, 2017
    • 7 replies
    • 1.3k views
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    • Koni
    • December 31, 2017

11. Space a constant, singularities all over the universe

    By TTski, December 31, 2017
    • 2 replies
    • 1k views
    • 
    • studiot
    • December 31, 2017

12. White Hole Decay becoming the higg’s field scalar 0?

    By Bigg’s Boson, December 28, 2017
    • 3 replies
    • 2.7k views
    • 
    • Mordred
    • December 28, 2017

13. Magnetic Reconnection & Atmospheric Currents

    By Unified Field, December 17, 2017
    • 15 replies
    • 2k views
    • 
    • Unified Field
    • December 24, 2017

14. Variation on Solar System Formation:

    By beecee, December 23, 2017
    • 0 replies
    • 660 views
    • 
    • beecee
    • December 23, 2017

15. Dark Matter or Dark Force 1 2 3

    By TakenItSeriously, December 1, 2017
    • 73 replies
    • 6.4k views
    • 
    • LaurieAG
    • December 19, 2017

16. What is the methodology for concluding accelerated expansion?

    By Cosmo_Ken, December 12, 2017
    • 6 replies
    • 1.7k views
    • 
    • T. McGrath
    • December 14, 2017

17. What color is the sky on Mars?

    By Cosmo_Ken, December 2, 2017
    • 9 replies
    • 2.2k views
    • 
    • Cosmo_Ken
    • December 12, 2017

18. Action Dynamics of the Local Supercluster

    By T. McGrath, December 9, 2017
    • 0 replies
    • 655 views
    • 
    • T. McGrath
    • December 9, 2017

19. E=mc2

    By Tub, December 6, 2017
    • 2 replies
    • 978 views
    • 
    • Tub
    • December 6, 2017

20. Which galaxies will become gravitationally bound to us after our collision with Andromeda? 1 2

    By MarkE, November 11, 2017
    • 34 replies
    • 3.1k views
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    • Mordred
    • November 25, 2017

21. Conservation of energy/mass

    By MarkE, November 22, 2017
    • 3 replies
    • 997 views
    • 
    • MarkE
    • November 24, 2017

22. Sixth Gravitational Wave Discovery:

    By beecee, November 16, 2017
    • 22 replies
    • 1.8k views
    • 
    • Outrider
    • November 21, 2017

23. Oldest spiral galaxy challenge to established age of universe? 1 2

    By aramis720, November 5, 2017
    • 28 replies
    • 3.1k views
    • 
    • Outrider
    • November 19, 2017

24. Peer Review requested.

    By beecee, November 11, 2017
    • 3 replies
    • 1.3k views
    • 
    • beecee
    • November 14, 2017

25. Age and shape of the Universe

    By Stclaim, November 10, 2017
    • 6 replies
    • 1.1k views
    • 
    • Strange
    • November 12, 2017