Astronomy and Space

1,486 topics in this forum

1. Recent S/f Novels About Commercial Space Flight?

   By RGClark, March 31, 2012
   • 5 replies
   • 2k views
   • 
   • RGClark
   • April 24, 2012

2. Solar Power From Space

   By belovelife, March 30, 2012
   • 4 replies
   • 1.1k views
   • 
   • 7DSUSYstrings
   • April 21, 2012

3. Is There Gravity At The Center Of A Perfect Sphere?

   By johnferk, January 23, 2012
   • 16 replies
   • 4.3k views
   • 
   • 7DSUSYstrings
   • April 20, 2012

4. Maximum Mass And The Big Bang?

   By jeremyb, February 25, 2012
   • 13 replies
   • 3k views
   • 
   • 7DSUSYstrings
   • April 10, 2012

5. Is Soho In Trouble Today?

   By 7DSUSYstrings, April 5, 2012
   • 11 replies
   • 1.5k views
   • 
   • 7DSUSYstrings
   • April 10, 2012

6. SOHO Page for if you like to watch the Sun 1 2

   By Turtle, February 28, 2005
   • 24 replies
   • 7.9k views
   • 
   • 7DSUSYstrings
   • April 7, 2012

7. Are We Part Of A Multiverse?

   By Deepwater6, December 12, 2011
   • 10 replies
   • 3.1k views
   • 
   • 7DSUSYstrings
   • April 7, 2012

8. Universe <> Anti-Universe

   By 7DSUSYstrings, March 24, 2012
   • 8 replies
   • 1.2k views
   • 
   • 7DSUSYstrings
   • April 6, 2012

9. The Universe: And Then There Was Light….

   By RonPrice, March 1, 2012
   • 8 replies
   • 1.4k views
   • 
   • Cyberia
   • April 2, 2012

10. Yoyo In Near Space

    By sirbobalot2, February 22, 2012
    • 3 replies
    • 1.1k views
    • 
    • CraigD
    • March 28, 2012

11. Galaxies In Dark Matter 1 2

    By Guest jamongo, September 18, 2011
    • 29 replies
    • 4.1k views
    • 
    • Maximilium
    • March 24, 2012

12. Electromagnetic Propulsion

    By joekgamer, March 11, 2012
    • 3 replies
    • 1.2k views
    • 
    • 7DSUSYstrings
    • March 23, 2012

13. The Big Rescaling

    By tetrahedron, March 9, 2012
    • 7 replies
    • 1.5k views
    • 
    • tetrahedron
    • March 10, 2012

14. Dark Matter Core Defies Explanation In Hubble Image

    By Cyberia, March 3, 2012
    • 0 replies
    • 886 views
    • 
    • Cyberia
    • March 3, 2012

15. Colonizing Space: How, When And Why? 1 2 3

    By sigurdV, February 9, 2012
    • 45 replies
    • 6k views
    • 
    • sigurdV
    • March 3, 2012

16. Evaporation Of A Black Hole 1 2 3

    By jeremyb, February 4, 2012
    • 36 replies
    • 5.4k views
    • 
    • Cyberia
    • March 2, 2012

17. Beginning A Dyson Sphere?

    By sigurdV, February 16, 2012
    • 1 reply
    • 1.1k views
    • 
    • CraigD
    • February 16, 2012

18. Electromagnetic Propulsion? 1 2

    By joekgamer, February 1, 2011
    • 17 replies
    • 4.7k views
    • 
    • sigurdV
    • February 16, 2012

19. Ethics Of Colonization Of Other Planets. 1 2 3

    By Moontanman, February 2, 2012
    • 34 replies
    • 5.4k views
    • 
    • sigurdV
    • February 10, 2012

20. Star Went Red Then Disappeared

    By dean32, January 24, 2012
    • 8 replies
    • 3.5k views
    • 
    • maddog
    • February 10, 2012

21. No Contact With Aliens Thus Far?

    By monster92, May 11, 2011
    • 5 replies
    • 2.5k views
    • 
    • DFINITLYDISTRUBD
    • February 10, 2012

22. Alberteinstein:e=Mc2::stephenhawkings:?

    By Fedgie, February 7, 2012
    • 3 replies
    • 2.8k views
    • 
    • sigurdV
    • February 9, 2012

23. Why is the Universe the way it is? 1 2 3 4 5

    By Time_Travel, October 29, 2009
    • 74 replies
    • 11.7k views
    • 
    • sigurdV
    • February 7, 2012

24. Stephen Hawking’S Into The Universe,

    By RonPrice, June 10, 2011
    • 2 replies
    • 1.3k views
    • 
    • RonPrice
    • February 5, 2012

25. Mars500 Project

    By Deepwater6, November 4, 2011
    • 14 replies
    • 2.5k views
    • 
    • Deepwater6
    • February 5, 2012