Astronomy and Space

1,406 topics in this forum

1. Redshift z 1 2 3 4 46

   By coldcreation, July 5, 2005
   • 769 replies
   • 110.9k views
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   • LaurieAG
   • December 10, 2014

2. I just seen a star disappear? 1 2 3 4

   By geko, March 25, 2009
   • 56 replies
   • 85.4k views
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   • JasonWP
   • July 29

3. What exists beyond the known universe? 1 2 3 4 12

   By Tim_Lou, March 4, 2004
   • 188 replies
   • 78.1k views
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   • maddog
   • March 2, 2005

4. Origin of the Universe,,,,Bang or no Bang 1 2 3 4 52

   By Harry Costas, September 3, 2006
   • 879 replies
   • 75.3k views
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   • modest
   • June 2, 2010

5. Space Voyage #1 1 2 3 4 37

   By TheBigDog, May 3, 2006
   • 620 replies
   • 62.5k views
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   • Moontanman
   • March 30, 2008

6. What exists outside our universe?

   By administrator, April 28, 2003
   • 16 replies
   • 54.7k views
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   • jizum3434
   • December 23, 2004

7. Is the universe infinite? 1 2 3 4

   By OneArmedScissor, July 31, 2005
   • 64 replies
   • 53.7k views
   • 
   • pamela
   • December 12, 2009

8. EXACTLY how many seconds are there in a year ???

   By dreamworld, March 18, 2004
   • 8 replies
   • 52.6k views
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   • webdrafter
   • May 16, 2004

9. Space Voyage #1 Chatter 1 2 3 4 30

   By Jay-qu, June 5, 2006
   • 500 replies
   • 46.9k views
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   • Pyrotex
   • June 12, 2009

10. Do a spiral galaxy and a hurricane share a similar formation mechanism? 1 2 3 4

    By peter, January 15, 2008
    • 63 replies
    • 44.1k views
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    • JMJones0424
    • April 22, 2011

11. Theories on how the universe was created....Please Help!!! 1 2 3 4

    By clintonmcqueen, May 16, 2002
    • 52 replies
    • 39.6k views
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    • Uncle Martin
    • May 30, 2004

12. Near Earth Objects 1 2 3 4 14

    By Deepwater6, November 4, 2011
    • 236 replies
    • 37.9k views
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    • LaurieAG
    • July 19, 2019

13. Aliens Poll 1 2 3 4 23

    By Buffy, April 24, 2005
    • 374 replies
    • 37k views
    • 
    • Moontanman
    • May 5, 2010

14. Skywatchers' Journal 1 2 3 4 14

    By Turtle, April 22, 2005
    • 229 replies
    • 34k views
    • 
    • Turtle
    • September 14, 2011

15. Hypography X Prize Entry 1 2 3 4 14

    By TheBigDog, September 15, 2007
    • 234 replies
    • 31.8k views
    • 
    • TheBigDog
    • April 5, 2008

16. The Origin of Universe: Solving the mystery 1 2 3 4 18

    By durgatosh, September 13, 2006
    • 292 replies
    • 29.7k views
    • 
    • capricornicis
    • January 27, 2008

17. Alan Guth's Inflaton & Mond

    By G Anthony Kent, December 4, 2011
    • 5 replies
    • 29.1k views
    • 
    • G Anthony Kent
    • March 27, 2013

18. Terraforming Mars 1 2 3 4 10

    By Thunderbird, March 10, 2008
    • 160 replies
    • 28k views
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    • SaxonViolence
    • December 5, 2012

19. Photons have no time 1 2 3 4 18

    By InfiniteNow, April 12, 2006
    • 294 replies
    • 27k views
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    • HydrogenBond
    • April 8, 2008

20. Superintelligent Extraterrestrial Life, Accelerated Evolution, And The Fate Of The Universe 1 2 3 4 12

    By Super Polymath, July 30, 2016
    • 197 replies
    • 25.8k views
    • 
    • Super Polymath
    • July 28, 2017

21. How do they calculate star distance? 1 2 3 4

    By goku, September 23, 2005
    • 51 replies
    • 25.1k views
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    • Pyrotex
    • April 10, 2006

22. Does a shadow have mass? 1 2 3 4

    By Zohaar818, May 23, 2005
    • 52 replies
    • 24.8k views
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    • exchemist
    • September 2, 2017

23. How can gravity escape a black hole? 1 2 3

    By modest, September 24, 2008
    • 50 replies
    • 23.9k views
    • 
    • modest
    • April 19, 2010

24. What IS space? 1 2 3 4 13

    By sergey500, September 7, 2005
    • 214 replies
    • 23.6k views
    • 
    • Qfwfq
    • December 10, 2005

25. Why Does Time Fly? 1 2 3 4

    By Antti, May 15, 2005
    • 65 replies
    • 23.5k views
    • 
    • lemit
    • October 11, 2009