Physics, Space Science and Theories

1,706 topics in this forum

1. Cosmology

   By andrew s, October 9, 2017
   • 4 replies
   • 682 views
   • 
   • laowhoo
   • December 28, 2017

2. Singularity origin?

   By Moonshane, October 20, 2017
   • 10 replies
   • 864 views
   • 
   • laowhoo
   • December 28, 2017

3. How Quantum Computers Work?

   By Macavity, December 22, 2017
   • 15 replies
   • 954 views
   • 
   • Alien 13
   • December 23, 2017

4. What if Mars collided with Jupiter?

   By Paz, February 20, 2017
   • 13 replies
   • 2k views
   • 
   • newbie alert
   • December 17, 2017

5. Airy disk size and Uncertainty principle

   By vlaiv, December 2, 2017
   • 4 replies
   • 1.2k views
   • 
   • vlaiv
   • December 13, 2017

6. How would a compass work on the moon?

   By Kllswtch8473, November 15, 2017
   • 7 replies
   • 1.8k views
   • 
   • Ravenous
   • December 5, 2017

7. Exoplanets Power

   By Corkeyno2, November 25, 2017
   • 3 replies
   • 604 views
   • 
   • Corkeyno2
   • November 28, 2017

8. Python and Astronomy / PyCon 2017 Keynote

   By freiform, November 22, 2017
   • 11 replies
   • 932 views
   • 
   • Macavity
   • November 25, 2017

9. Superheavy stable elements

   By piff, November 11, 2017
   • 10 replies
   • 1.1k views
   • 
   • Macavity
   • November 20, 2017

10. Calculating the position of the galaxy center on night sky.

    By Quantum, November 14, 2017
    • 3 replies
    • 675 views
    • 
    • Merlin66
    • November 19, 2017

11. Space Elevator

    By kirkster501, November 10, 2017
    • 4 replies
    • 526 views
    • 
    • Stu
    • November 11, 2017

12. Muons show new chamber in Great Pyramid

    By Macavity, November 2, 2017
    • 2 replies
    • 470 views
    • 
    • Alien 13
    • November 2, 2017

13. Gravity v Velocity v Time

    By TSRobot, October 23, 2017
    • 15 replies
    • 887 views
    • 
    • Physicist13
    • November 2, 2017

14. The ultimate fate of the Universe

    By andrew s, November 1, 2017
    • 9 replies
    • 738 views
    • 
    • ollypenrice
    • November 2, 2017

15. The Speed of Light, is it a relative thing? 1 2 3 4 9

    By Delasaurus, October 16, 2017
    • 206 replies
    • 11.6k views
    • 
    • Delasaurus
    • October 26, 2017

16. Ageing and travel near the speed of light

    By billyharris72, October 22, 2017
    • 10 replies
    • 825 views
    • 
    • vlaiv
    • October 25, 2017

17. Can anyone explain the 21cm line?

    By Mr niall, October 21, 2017
    • 3 replies
    • 1.4k views
    • 
    • SilverAstro
    • October 25, 2017

18. Are dark matter and dark energy the same? 1 2

    By Patrick2568422, April 9, 2017   

    • dark matter
    • help
    • (and 4 more)

      Tagged with:

      • dark matter
      • help
      • space
      • science
      • question
      • physics
    • 38 replies
    • 2.5k views
    • 
    • Absolute zero
    • October 20, 2017

19. Extreme Methane Rain on Titan...

    By Macavity, October 16, 2017
    • 5 replies
    • 554 views
    • 
    • TSRobot
    • October 19, 2017

20. Missing matter finally found!

    By Macavity, October 16, 2017
    • 3 replies
    • 531 views
    • 
    • ronin
    • October 16, 2017

21. Asteroid TC4 Earth capture

    By Owmuchonomy, October 12, 2017
    • 5 replies
    • 742 views
    • 
    • furrysocks2
    • October 13, 2017

22. Hubble Tarantula

    By barkis, October 12, 2017
    • 0 replies
    • 442 views
    • 
    • barkis
    • October 12, 2017

23. ...but optics are really simple...

    By Ben the Ignorant, September 20, 2017   

    • optics
    • scattering
    • (and 4 more)

      Tagged with:

      • optics
      • scattering
      • diffusion
      • dispersion
      • refraction
      • reflection
    • 7 replies
    • 835 views
    • 
    • Tiki
    • October 1, 2017

24. Hydrogen Burn-off Igniters!

    By Macavity, September 22, 2017
    • 7 replies
    • 1.9k views
    • 
    • Zakalwe
    • September 22, 2017

25. Wow!

    By martin_h, September 21, 2017
    • 5 replies
    • 787 views
    • 
    • Astro Imp
    • September 21, 2017