Astronomy and Cosmology

3708 topics in this forum

1. Ashtekar and re-understanding the Bang

   By Martin, November 3, 2008
   • 1 reply
   • 956 views
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   • npts2020
   • November 5, 2008

2. What does this phrase mean? [about "energy density fluctuations"]

   By Baby Astronaut, December 13, 2008
   • 1 reply
   • 955 views
   • 
   • Martin
   • December 13, 2008

3. Electrostatic Shield for Astronauts

   By Inferno, July 31, 2005
   • 0 replies
   • 954 views
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   • Inferno
   • July 31, 2005

4. Stellar system precession?

   By THX-1138, January 24, 2011
   • 2 replies
   • 954 views
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   • Spyman
   • January 24, 2011

5. Planetary Habitability

   By KTevolved, September 6, 2012
   • 1 reply
   • 954 views
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   • Moontanman
   • September 6, 2012

6. Please tell me this

   By Guest, January 1, 1970
   • 0 replies
   • 953 views
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   • Guest
   • January 1, 1970

7. an unsolveble question?

   By jamey2k9, January 19, 2009
   • 4 replies
   • 953 views
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   • petebro
   • January 20, 2009

8. questions about heliosphere

   By jamesgunasekera, October 5, 2009
   • 3 replies
   • 953 views
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   • Ophiolite
   • October 5, 2009

9. star 'Jets' related to Coronae via Magnetic Braking?

   By Widdekind, September 25, 2011
   • 0 replies
   • 953 views
   • 
   • Widdekind
   • September 25, 2011

10. Need a scientific adviser for space-strategy game

    By AaronD, February 3, 2013
    • 3 replies
    • 953 views
    • 
    • AaronD
    • February 4, 2013

11. Effective gravity and temperature

    By pioneer, April 16, 2008
    • 2 replies
    • 952 views
    • 
    • D H
    • April 17, 2008

12. trying to understand "Hyashi tracks" ?

    By Widdekind, December 23, 2011
    • 0 replies
    • 951 views
    • 
    • Widdekind
    • December 23, 2011

13. expansion

    By jjuris, April 17, 2009
    • 2 replies
    • 950 views
    • 
    • Martin
    • April 18, 2009

14. The Cross-Section of Solar Flares

    By GeeKay, June 21, 2014
    • 3 replies
    • 950 views
    • 
    • swansont
    • June 22, 2014

15. Manually creating a hole in the magnetic field?

    By Forensicmad, June 28, 2006
    • 3 replies
    • 948 views
    • 
    • swansont
    • June 28, 2006

16. black suction theory

    By Ankit Gupta, February 21, 2013
    • 0 replies
    • 948 views
    • 
    • Ankit Gupta
    • February 21, 2013

17. Earth/solar system attitude WRT galaxy

    By MigL, December 4, 2018
    • 5 replies
    • 948 views
    • 
    • Strange
    • December 4, 2018

18. Globular Clusters Ages in Matter-dominated Cosmos

    By Widdekind, November 26, 2011
    • 2 replies
    • 947 views
    • 
    • Widdekind
    • November 27, 2011

19. Telescopes

    By krash661, July 13, 2013
    • 2 replies
    • 947 views
    • 
    • fresh
    • July 30, 2013

20. Sun Black hole

    By Lizwi, November 5, 2019
    • 2 replies
    • 946 views
    • 
    • MigL
    • November 5, 2019

21. The Square Kilometre Array

    By alfa015, November 15, 2019
    • 0 replies
    • 946 views
    • 
    • alfa015
    • November 15, 2019

22. Planets made of gases

    By C D Mohatta, February 22, 2019
    • 5 replies
    • 945 views
    • 
    • Intrigued
    • March 21, 2019

23. Hubble looking at old galaxies

    By Jdaniel343, January 22, 2014
    • 2 replies
    • 944 views
    • 
    • Enthalpy
    • January 22, 2014

24. Lost Space

    By sethoflagos, January 24, 2021
    • 2 replies
    • 943 views
    • 
    • sethoflagos
    • January 24, 2021

25. Rocket fuel

    By Kevin_Hall, January 4, 2022
    • 8 replies
    • 943 views
    • 
    • Ken Fabian
    • January 6, 2022