Astronomy and Cosmology

3688 topics in this forum

1. Practical Astronomy with your calculator

   By Ishtar, January 6, 2012
   • 1 reply
   • 947 views
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   • Tres Juicy
   • January 12, 2012

2. Solar System formation

   By thomma, January 13, 2012
   • 1 reply
   • 721 views
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   • Moontanman
   • January 13, 2012

3. estimating galaxy ages from PNe ?

   By Widdekind, January 13, 2012
   • 1 reply
   • 1.1k views
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   • pantheory
   • January 17, 2012

4. Rhawn Joseph

   By panstein, February 27, 2012
   • 1 reply
   • 1.4k views
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   • Phi for All
   • February 27, 2012

5. Lagrange's planetary equations

   By Bjarne, April 4, 2012
   • 1 reply
   • 839 views
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   • Bjarne
   • April 4, 2012

6. Galactic formation

   By dust hurricane, April 23, 2012
   • 1 reply
   • 669 views
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   • Airbrush
   • April 23, 2012

7. dark magnetism

   By space noob, June 1, 2012
   • 1 reply
   • 1.6k views
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   • ACG52
   • June 1, 2012

8. Comet viewing

   By xtheunknown0, June 16, 2012
   • 1 reply
   • 736 views
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   • Ophiolite
   • June 16, 2012

9. Hubble-class spy satellites donated to NASA.

   By Robert Clark, June 13, 2012
   • 1 reply
   • 1.4k views
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   • Enthalpy
   • June 22, 2012

10. Light years and real time

    By faslan, June 29, 2012
    • 1 reply
    • 787 views
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    • Spyman
    • June 29, 2012

11. universe using faces to kill shock

    By iwasbitten, June 30, 2012
    • 1 reply
    • 1.4k views
    • 
    • Klaynos
    • June 30, 2012

12. Higgs Boson Discovered

    By Airbrush, July 8, 2012
    • 1 reply
    • 1.1k views
    • 
    • space noob
    • July 8, 2012

13. Are cosmic particles directional

    By vich, August 6, 2012
    • 1 reply
    • 937 views
    • 
    • mathematic
    • August 6, 2012

14. What can Curiosity do?

    By Airbrush, August 10, 2012
    • 1 reply
    • 789 views
    • 
    • Fuzzwood
    • August 10, 2012

15. Jupiter's bands

    By Gareth56, August 12, 2012
    • 1 reply
    • 1k views
    • 
    • Greg H.
    • August 12, 2012

16. Planetary Habitability

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

17. Question about Compression/Decompression

    By Richard Perkins, September 8, 2012
    • 1 reply
    • 785 views
    • 
    • JohnStu
    • September 14, 2012

18. High Energy Cosmic Rays and the Origin of Life

    By deepnessdawn, September 12, 2012
    • 1 reply
    • 1.6k views
    • 
    • JohnStu
    • September 14, 2012

19. Opening of "Phenomena of the natural parabola"

    By Valentin Dolzhenko, December 1, 2011
    • 1 reply
    • 2.6k views
    • 
    • Valentin Dolzhenko
    • September 14, 2012

20. Cosmology Basics

    By Barnacles, October 6, 2012
    • 1 reply
    • 858 views
    • 
    • mathematic
    • October 6, 2012

21. Question from an amateur in regards to rotation of sun

    By Notexceling, October 10, 2012
    • 1 reply
    • 897 views
    • 
    • swansont
    • October 10, 2012

22. Moon Impacts

    By Moontanman, November 9, 2012
    • 1 reply
    • 1.1k views
    • 
    • swansont
    • November 9, 2012

23. trying to understand Lyman-alpha forest

    By Widdekind, November 14, 2012
    • 1 reply
    • 2.1k views
    • 
    • Widdekind
    • November 15, 2012

24. Higgs Asteroids

    By ydoaPs, November 15, 2012
    • 1 reply
    • 960 views
    • 
    • timo
    • November 15, 2012

25. galaxy scaling relations

    By Widdekind, November 16, 2012
    • 1 reply
    • 993 views
    • 
    • Arnaud Antoine ANDRIEU
    • November 16, 2012