Astronomy and Cosmology

3686 topics in this forum

1. Does Galiosphere exist?-The Galaxy Heliosphere

   By alpha2cen, January 17, 2011
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   • 632 views
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   • alpha2cen
   • January 17, 2011

2. Galaxy Rotation Curves from Curvature anomalies?

   By Widdekind, February 25, 2011
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   • 1.3k views
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   • Widdekind
   • February 25, 2011

3. What is 'time' in FRW metric ?

   By Widdekind, February 26, 2011
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   • 569 views
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   • Widdekind
   • February 26, 2011

4. Exoplanet Safari

   By Arch2008, March 15, 2011
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   • 1.2k views
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   • Arch2008
   • March 15, 2011

5. same dust cloud at different volumes

   By lemur, March 27, 2011
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   • 665 views
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   • lemur
   • March 27, 2011

6. cosmos-crossing photons vs. quantum foam ?

   By Widdekind, April 14, 2011
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   • 679 views
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   • Widdekind
   • April 14, 2011

7. condensed dust seeds planet formation ?

   By Widdekind, April 14, 2011
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   • 1k views
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   • Widdekind
   • April 14, 2011

8. Crater scaling-laws

   By Widdekind, May 5, 2011
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   • Widdekind
   • May 5, 2011

9. moon Maria formed after tide-lock to earth ?

   By Widdekind, May 7, 2011
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   • Widdekind
   • May 7, 2011

10. 'New Arm' of Milky Way links to Perseus arm ??

    By Widdekind, May 18, 2011
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    • Widdekind
    • May 18, 2011

11. estimating IGM density from cooling curve (?)

    By Widdekind, May 31, 2011
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    • Widdekind
    • May 31, 2011

12. How many CMBR photons have been lost ?

    By Widdekind, July 30, 2011
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    • Widdekind
    • July 30, 2011

13. SuperGiant Branch of HR diagram from MassLoss

    By Widdekind, July 31, 2011
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    • Widdekind
    • July 31, 2011

14. stars are magnetic monopoles ??

    By Widdekind, August 3, 2011
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    • Widdekind
    • August 3, 2011

15. massive merger in eta,chi Persei star-clusters?

    By Widdekind, August 6, 2011
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    • 1.3k views
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    • Widdekind
    • August 6, 2011

16. Liquid Drop Model applies to Neutron Stars ?

    By Widdekind, August 8, 2011
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    • Widdekind
    • August 8, 2011

17. stars acquire slight positive charges ?

    By Widdekind, August 8, 2011
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    • 1k views
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    • Widdekind
    • August 8, 2011

18. "Planck red-shift" ?

    By Widdekind, August 8, 2011
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    • 916 views
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    • Widdekind
    • August 8, 2011

19. Core Contraction powers RGB on HRD ?

    By Widdekind, August 11, 2011
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    • Widdekind
    • August 11, 2011

20. Astrophysical Jets driven by Magnetic Fields ?

    By Widdekind, August 24, 2011
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    • 1k views
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    • Widdekind
    • August 24, 2011

21. Many of the therapies of alternative cosmology really work too

    By G Anthony, September 8, 2011
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    • 639 views
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    • G Anthony
    • September 8, 2011

22. Tidal Friction As A Source Of Heat

    By Elen Sila, September 8, 2011
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    • Elen Sila
    • September 8, 2011

23. tracing MWG Mass via Halo GCs vs. Disk MCs ?

    By Widdekind, September 10, 2011
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    • Widdekind
    • September 10, 2011

24. Kepler-16b; a newly discovered planet that orbits two Suns

    By Weirdmaskman, September 17, 2011
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    • 1.6k views
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    • Weirdmaskman
    • September 17, 2011

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

    By Widdekind, September 25, 2011
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    • 906 views
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    • Widdekind
    • September 25, 2011