Astronomy and Cosmology

3686 topics in this forum

1. Viewing distant galaxies in unprecedented detail

   By beecee, July 10, 2019
   • 1 reply
   • 666 views
   • 
   • Mordred
   • July 11, 2019

2. Virtual aperture using two telescopes. HOW?

   By netrat, September 18, 2010
   • 0 replies
   • 658 views
   • 
   • netrat
   • September 18, 2010

3. Visible Galaxies

   By alt_f13, February 18, 2004
   • 9 replies
   • 1.7k views
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   • JaKiri
   • March 2, 2004

4. Visualizing the "Flatness Problem" ??

   By Widdekind, July 21, 2011
   • 2 replies
   • 2k views
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   • 36grit
   • July 28, 2011

5. Von Neumann probes may be cause of origin of life

   By cambrian_exp, July 19, 2005
   • 11 replies
   • 2k views
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   • Ophiolite
   • July 27, 2005

6. Voyager

   By Bettina, May 23, 2006
   • 12 replies
   • 3k views
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   • Martin
   • July 1, 2006

7. Voyager mission

   By Curiousabout, August 15, 2014
   • 5 replies
   • 1.3k views
   • 
   • Nicholas Kang
   • August 18, 2014

8. VY Canis Majoris vs The Sun? Question

   By Fanghur, April 4, 2013
   • 1 reply
   • 2.5k views
   • 
   • Chrispen Evan
   • April 4, 2013

9. Walking on Mars.

   By dstebbins, May 10, 2007
   • 9 replies
   • 1.2k views
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   • MolotovCocktail
   • May 11, 2007

10. Wana Believe/Reject Space Bending Theories ?

    By Deviation, June 5, 2005
    • 19 replies
    • 2.1k views
    • 
    • blike
    • June 6, 2005

11. Wandering sun ?

    By Externet, April 10, 2012
    • 3 replies
    • 1.1k views
    • 
    • swansont
    • April 10, 2012

12. warp speed

    By Guy34life, June 24, 2003
    • 8 replies
    • 2k views
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    • Sayonara
    • June 27, 2003

13. Warp Speed, Light speed um yeah.. read

    By cHIs-, May 13, 2003
    • 5 replies
    • 2k views
    • 
    • cHIs-
    • May 14, 2003

14. Was Mars an ice world?

    By Moontanman, September 13, 2019
    • 23 replies
    • 2.3k views
    • 
    • Moontanman
    • August 6, 2020

15. was spacetime really created with the Big Bang?

    By gib65, November 16, 2007
    • 6 replies
    • 1.1k views
    • 
    • Martin
    • November 17, 2007

16. Was the Big Bang the result of a super-massive black hole in another universe? 1 2

    By Brad Watson_Miami FL, July 31, 2010
    • 31 replies
    • 9.5k views
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    • pantheory
    • July 6, 2011

17. Was The CMB Ever Visible?

    By Keydar, August 23, 2011
    • 7 replies
    • 3.8k views
    • 
    • MigL
    • August 25, 2011

18. Was the first picosecond really a picosecond?

    By gib65, December 30, 2018
    • 3 replies
    • 884 views
    • 
    • beecee
    • December 30, 2018

19. Was the start of the Big Bang really the beginning of time?

    By Cosmo_Ken, January 9, 2017
    • 14 replies
    • 1.6k views
    • 
    • Strange
    • January 24, 2017

20. Was the universe "dark" before the eyesight

    By vitttorrio, December 20, 2022
    • 10 replies
    • 637 views
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    • motalebhossainseo
    • December 25, 2022

21. Watching the Big Bang? 1 2

    By YT2095, November 17, 2007
    • 33 replies
    • 3.2k views
    • 
    • YT2095
    • December 4, 2007

22. Water & Hydroxide Masers

    By Ant Sinclair, August 20, 2015
    • 19 replies
    • 1.8k views
    • 
    • Ant Sinclair
    • August 21, 2015

23. Water giant?

    By Daecon, April 8, 2008
    • 22 replies
    • 3k views
    • 
    • insane_alien
    • April 11, 2008

24. Water on Exoplanets!!

    By Dr. Spitzer, July 30, 2007
    • 3 replies
    • 1.2k views
    • 
    • h4tt3n
    • August 2, 2007

25. Water on Mercury?

    By sysD, March 30, 2011
    • 18 replies
    • 3.4k views
    • 
    • CaptainPanic
    • March 31, 2011