Physics, Space Science and Theories

1,726 topics in this forum

1. Cosmic Void “Pushes” Milky Way

   By jabeoo1, February 4, 2017
   • 9 replies
   • 670 views
   • 
   • SilverAstro
   • February 13, 2017

2. The best online lessons

   By Ray02, November 10, 2016
   • 6 replies
   • 861 views
   • 
   • Maximidius
   • February 1, 2017

3. These twins are hurting my head! 1 2

   By popeye85, January 11, 2017
   • 40 replies
   • 1.7k views
   • 
   • symesie04
   • February 1, 2017

4. An Impact at a Relativistic Speed 1 2 3

   By Corkeyno2, January 5, 2017
   • 55 replies
   • 3k views
   • 
   • ollypenrice
   • January 17, 2017

5. 2022 - Binary Collision Nova Predicted in Cygnus

   By SnakeyJ, January 13, 2017
   • 2 replies
   • 599 views
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   • Dinglem
   • January 13, 2017

6. Where are we

   By Alien 13, January 8, 2017
   • 14 replies
   • 760 views
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   • SilverAstro
   • January 9, 2017

7. Hubbles Law and Relativity

   By Ray02, October 11, 2016
   • 13 replies
   • 1.2k views
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   • Pluto the Snowman
   • January 5, 2017

8. Energy, mass and velocity

   By billyharris72, January 3, 2017
   • 15 replies
   • 1.2k views
   • 
   • billyharris72
   • January 5, 2017

9. Climate Change

   By drb1976, October 15, 2016   

   • climate change
   • global warming
   • 23 replies
   • 1.3k views
   • 
   • billyharris72
   • January 3, 2017

10. A meteorite from Mars found on Earth?

    By N3ptune, December 27, 2016
    • 13 replies
    • 981 views
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    • Jonk
    • January 2, 2017

11. QM the talk

    By andrew s, December 16, 2016
    • 1 reply
    • 467 views
    • 
    • saac
    • December 17, 2016

12. Is our Universe 13.7 billion years old ? I'm not quite convinced 1 2 3 4 15

    By Nigel G, July 8, 2016
    • 355 replies
    • 13.7k views
    • 
    • SonnyE
    • December 15, 2016

13. Pinhole drive :D

    By vlaiv, December 6, 2016
    • 12 replies
    • 782 views
    • 
    • andrew s
    • December 7, 2016

14. Breeding on another planet

    By jnb, November 24, 2016
    • 6 replies
    • 762 views
    • 
    • symesie04
    • November 29, 2016

15. would this be possible?

    By geordie85, February 26, 2015
    • 5 replies
    • 1.5k views
    • 
    • andrew s
    • November 12, 2016

16. Type Ia supernovae and the age of the component stars

    By jnb, November 6, 2016
    • 2 replies
    • 483 views
    • 
    • Knight of Clear Skies
    • November 6, 2016

17. Temperature of Space

    By JohnSadlerAstro, October 26, 2016
    • 19 replies
    • 1.3k views
    • 
    • JohnSadlerAstro
    • November 5, 2016

18. Help with BlackHole question: Schwarzschild radius

    By Andre Gazoto, October 14, 2016
    • 24 replies
    • 2.1k views
    • 
    • Absolute zero
    • November 3, 2016

19. Brown Dwarfs

    By Corkeyno2, October 29, 2016
    • 3 replies
    • 539 views
    • 
    • andrew s
    • October 29, 2016

20. Roche Limit 2

    By Corkeyno2, October 28, 2016
    • 1 reply
    • 403 views
    • 
    • andrew s
    • October 29, 2016

21. Roche Limit

    By Corkeyno2, October 26, 2016
    • 3 replies
    • 590 views
    • 
    • Corkeyno2
    • October 26, 2016

22. The Age of the Universe

    By Corkeyno2, October 13, 2016
    • 9 replies
    • 690 views
    • 
    • Corkeyno2
    • October 26, 2016

23. Cosmic expansion is it accelerating?

    By andrew s, October 24, 2016
    • 3 replies
    • 479 views
    • 
    • George Jones
    • October 26, 2016

24. Tidal Heating and Stress

    By Corkeyno2, October 26, 2016
    • 0 replies
    • 384 views
    • 
    • Corkeyno2
    • October 26, 2016

25. Cosmic Expansion Rate

    By Corkeyno2, October 24, 2016
    • 2 replies
    • 458 views
    • 
    • Corkeyno2
    • October 24, 2016