Physics, Space Science and Theories

1,707 topics in this forum

1. "Local Fluff" question

   By Talitha, December 24, 2009
   • 6 replies
   • 2.9k views
   • 
   • Eyeball
   • December 25, 2009

2. 'ElectroWeak' stars: they're out there!

   By Rosanella, December 20, 2009
   • 3 replies
   • 779 views
   • 
   • Ben Ritchie
   • December 21, 2009

3. Magnetic field reversal? No probs...

   By Rosanella, December 20, 2009
   • 0 replies
   • 667 views
   • 
   • Rosanella
   • December 20, 2009

4. Gravity ?

   By topdude, December 19, 2009
   • 7 replies
   • 1k views
   • 
   • acey
   • December 20, 2009

5. The way light travels.

   By Theninjagecko, October 13, 2009
   • 15 replies
   • 2.1k views
   • 
   • AstroTiger
   • November 30, 2009

6. math challenge 1 2 3

   By narrowbandpaul, November 5, 2009
   • 68 replies
   • 4.2k views
   • 
   • AstroTiger
   • November 30, 2009

7. Kepler's laws as in John Herschel's Outlines of Astronomy

   By fionyan, November 21, 2009
   • 5 replies
   • 1.1k views
   • 
   • fionyan
   • November 22, 2009

8. Black Hole - TV BROADCAST

   By Lincoln, November 4, 2009
   • 17 replies
   • 1.9k views
   • 
   • Macavity
   • November 12, 2009

9. Animation: Orbits Around Black Holes

   By George Jones, November 3, 2009
   • 1 reply
   • 1k views
   • 
   • lulu
   • November 7, 2009

10. What 'bout this cosmonaut?

    By vhbelvadi, November 3, 2009
    • 18 replies
    • 1.4k views
    • 
    • Jamie
    • November 4, 2009

11. how does the Hubble tracks when it is moving so fast

    By neelam, November 1, 2009
    • 13 replies
    • 1.1k views
    • 
    • acey
    • November 4, 2009

12. longitude of periapse and node?

    By linkahwai, October 21, 2009
    • 6 replies
    • 2.2k views
    • 
    • vhbelvadi
    • October 28, 2009

13. Second impact may have finished off the dinosaurs

    By gman, October 20, 2009
    • 2 replies
    • 784 views
    • 
    • vhbelvadi
    • October 27, 2009

14. How to calculate the time when a star blew up?

    By Rosanella, September 27, 2009
    • 7 replies
    • 1.2k views
    • 
    • Paul78
    • October 27, 2009

15. A Thought Experiment - The Earth is Older at the North Pole!?

    By JamesK, October 3, 2009
    • 17 replies
    • 2.1k views
    • 
    • Steve922
    • October 19, 2009

16. Astrophysics: free lessons on-line at Open Yale

    By Rosanella, October 15, 2009
    • 6 replies
    • 1.9k views
    • 
    • arad85
    • October 15, 2009

17. Light and distances.

    By Theninjagecko, October 13, 2009
    • 4 replies
    • 778 views
    • 
    • George Jones
    • October 13, 2009

18. Giant ring detected around Saturn

    By Paxo, October 7, 2009
    • 1 reply
    • 764 views
    • 
    • Vega
    • October 7, 2009

19. Thermophotovoltaic (TPV) devices

    By Macavity, September 22, 2009
    • 2 replies
    • 936 views
    • 
    • callump
    • September 23, 2009

20. An amazing formula

    By Krupin, September 22, 2009
    • 2 replies
    • 739 views
    • 
    • kniclander
    • September 22, 2009

21. Ephemeris Questions

    By samphippen, September 20, 2009
    • 1 reply
    • 724 views
    • 
    • acey
    • September 20, 2009

22. Eclipse

    By iamjulian, September 17, 2009
    • 2 replies
    • 686 views
    • 
    • iamjulian
    • September 18, 2009

23. Scientific evidence for a connection between mind and matter

    By mpeniak, September 11, 2009
    • 2 replies
    • 953 views
    • 
    • acey
    • September 14, 2009

24. why is not a single star visible in the astronauts moonwalk videos??? 1 2

    By neelam, July 18, 2009
    • 32 replies
    • 2.5k views
    • 
    • Talitha
    • September 11, 2009

25. Where are all those stars going to?

    By Rosanella, September 2, 2009
    • 15 replies
    • 1.1k views
    • 
    • ollypenrice
    • September 8, 2009