Physics, Space Science and Theories

1,706 topics in this forum

1. An Interesting SETI Candidate in Hercules

   By JB80, August 29, 2016
   • 7 replies
   • 1.1k views
   • 
   • kirkster501
   • September 20, 2017

2. Your simple mirrors are stranger than you think

   By Ben the Ignorant, September 16, 2017   

   • optics
   • physics
   • (and 6 more)

     Tagged with:

     • optics
     • physics
     • reflection
     • reflector
     • light
     • image
     • mirror
     • symmetry
   • 13 replies
   • 1.1k views
   • 
   • harrym
   • September 19, 2017

3. How to refer to astronomical objects

   By SteveBz, September 19, 2017
   • 13 replies
   • 799 views
   • 
   • SteveBz
   • September 19, 2017

4. ...and your simple lenses are stranger than you think

   By Ben the Ignorant, September 19, 2017   

   • optics
   • lens
   • (and 5 more)

     Tagged with:

     • optics
     • lens
     • refraction
     • interference
     • transparency
     • glass
     • light
   • 2 replies
   • 601 views
   • 
   • Ben the Ignorant
   • September 19, 2017

5. Are all the bits of debris in Planet's rings moons?

   By Patrick2568422, August 15, 2017   

   • moons
   • saturns rings
   • (and 6 more)

     Tagged with:

     • moons
     • saturns rings
     • help
     • debris
     • space
     • solar system
     • physics
     • astronomey
   • 21 replies
   • 1.5k views
   • 
   • Macavity
   • August 26, 2017

6. New light on dark matter/energy

   By andrew s, August 4, 2017
   • 2 replies
   • 517 views
   • 
   • Alien 13
   • August 17, 2017

7. Time of flight in an expanding universe 1 2

   By Kropster, August 15, 2017
   • 27 replies
   • 1.3k views
   • 
   • SilverAstro
   • August 17, 2017

8. Hubble Constant

   By andrew s, September 24, 2016
   • 6 replies
   • 1.3k views
   • 
   • George Jones
   • August 13, 2017

9. Terrestrial magnetic reversal - a concern? 1 2

   By ollypenrice, August 1, 2017
   • 32 replies
   • 1.8k views
   • 
   • SilverAstro
   • August 8, 2017

10. Hints of Standard Model Discrepancy etc.

    By Macavity, July 8, 2017
    • 5 replies
    • 817 views
    • 
    • TheMightyKong
    • August 5, 2017

11. Colours of (very) HOT Solids!

    By Macavity, August 1, 2017
    • 18 replies
    • 803 views
    • 
    • Stub Mandrel
    • August 2, 2017

12. Sound

    By martin_h, August 1, 2017
    • 2 replies
    • 489 views
    • 
    • Ravenous
    • August 2, 2017

13. Why do objects orbit in one plane?

    By westmarch, July 29, 2017
    • 21 replies
    • 1.4k views
    • 
    • westmarch
    • July 31, 2017

14. If a heavy atom falls into a star will it break into neutrons and protons?

    By supernovasunrise, July 16, 2017
    • 3 replies
    • 527 views
    • 
    • Stu
    • July 16, 2017

15. LIGO detects another gravitational wave event 1 2

    By Stu, June 2, 2017
    • 44 replies
    • 2.2k views
    • 
    • Ravenous
    • July 12, 2017

16. Do we need to go at the speed of light?

    By Corkeyno2, June 29, 2017
    • 2 replies
    • 482 views
    • 
    • Paz
    • June 29, 2017

17. Quantum Mechanics - not quite as befuddling as we've been led to believe

    By Knight of Clear Skies, June 22, 2017
    • 12 replies
    • 869 views
    • 
    • andrew s
    • June 29, 2017

18. Alcubierre Drive and dark energy

    By Ags, June 11, 2017
    • 9 replies
    • 1.3k views
    • 
    • andrew s
    • June 23, 2017

19. Are we living in deterministic universe?

    By vlaiv, May 18, 2017
    • 23 replies
    • 1.4k views
    • 
    • vlaiv
    • June 20, 2017

20. Secrets of the Super Elements

    By Macavity, June 13, 2017
    • 5 replies
    • 1.2k views
    • 
    • Erla
    • June 15, 2017

21. Sidereal Angle Clock

    By Scooot, June 6, 2017
    • 20 replies
    • 1.7k views
    • 
    • Scooot
    • June 8, 2017

22. Could proton decay be caused by strings losing their vibrations?

    By Patrick2568422, May 30, 2017   

    • string theory
    • quantum mechanics
    • (and 1 more)

      Tagged with:

      • string theory
      • quantum mechanics
      • proton decacy
    • 16 replies
    • 1.6k views
    • 
    • George Jones
    • June 1, 2017

23. Can Dry Ice be used as a fuel source? 1 2

    By Patrick2568422, May 26, 2017   

    • help
    • chemisty
    • (and 2 more)

      Tagged with:

      • help
      • chemisty
      • physics
      • energy
    • 30 replies
    • 4.3k views
    • 
    • JeremyS
    • May 28, 2017

24. CERN Plan for 100Tev Accelerator

    By Macavity, May 1, 2017
    • 15 replies
    • 1.6k views
    • 
    • N3ptune
    • May 25, 2017

25. Superluminal motion

    By johnfosteruk, May 6, 2017
    • 21 replies
    • 1.1k views
    • 
    • Ant
    • May 15, 2017