Astronomy and Cosmology

3708 topics in this forum

1. Solving the Mysteries of FRB's:

   By beecee, November 27, 2018
   • 4 replies
   • 1.1k views
   • 
   • yang5987
   • January 13, 2019

2. Gravitational Collapse: What does it take?

   By surrealist, August 29, 2005
   • 3 replies
   • 1.1k views
   • 
   • Thales
   • August 30, 2005

3. Black Holes..

   By Wearden, March 5, 2007
   • 3 replies
   • 1.1k views
   • 
   • Wearden
   • March 5, 2007

4. Gravity and the Galaxies

   By ecoli, December 8, 2004
   • 3 replies
   • 1.1k views
   • 
   • Severian
   • December 9, 2004

5. Admiral Lord Nelson in Space

   By Gian, November 28, 2022
   • 9 replies
   • 1.1k views
   • 
   • Ken Fabian
   • November 29, 2022

6. Expansion question

   By Realitycheck, January 20, 2008
   • 8 replies
   • 1.1k views
   • 
   • Edtharan
   • January 20, 2008

7. sunspot's coolness

   By Pradeepkumar, October 10, 2008
   • 2 replies
   • 1.1k views
   • 
   • Pradeepkumar
   • October 11, 2008

8. Interesting cosmic structures and planets

   By Buych778, September 18, 2014
   • 2 replies
   • 1.1k views
   • 
   • Buych778
   • September 22, 2014

9. Are UCD's the MACHO's we've been lookin for?

   By Thales, September 6, 2004
   • 3 replies
   • 1.1k views
   • 
   • RICHARDBATTY
   • September 11, 2004

10. Big Bang vs the shape of the universe

    By madscience, March 20, 2010
    • 2 replies
    • 1.1k views
    • 
    • Martin
    • March 22, 2010

11. Event Horizon

    By Pugdaddy, April 26, 2016
    • 1 reply
    • 1.1k views
    • 
    • elfmotat
    • April 26, 2016

12. Constellations and Earth's orbit.

    By Daecon, June 18, 2006
    • 4 replies
    • 1.1k views
    • 
    • swansont
    • June 18, 2006

13. Which will it be, South Africa or Australia?

    By ecoli, September 28, 2006
    • 3 replies
    • 1.1k views
    • 
    • ecoli
    • March 24, 2008

14. Circumstellar Disk Disappears

    By Enthalpy, July 12, 2012
    • 3 replies
    • 1.1k views
    • 
    • Enthalpy
    • July 13, 2012

15. Van Allen belts (split from sources of e-e+ field in QFT)

    By sunshaker, October 6, 2014
    • 3 replies
    • 1.1k views
    • 
    • sunshaker
    • October 10, 2014

16. A Unifying Theory

    By rstormview, December 6, 2016
    • 1 reply
    • 1.1k views
    • 
    • swansont
    • December 6, 2016

17. Airbrushed Space!!

    By bloodhound31, December 10, 2007
    • 3 replies
    • 1.1k views
    • 
    • richard
    • December 12, 2007

18. universe

    By jobsbala, October 13, 2013
    • 4 replies
    • 1.1k views
    • 
    • Archimedes
    • October 14, 2013

19. Build your own telescope.

    By admiral_ju00, May 15, 2004
    • 1 reply
    • 1.1k views
    • 
    • YT2095
    • May 15, 2004

20. The Cicada invasion!

    By Guest Slihp, July 29, 2004
    • 2 replies
    • 1.1k views
    • 
    • Guest
    • July 29, 2004

21. Some Balance in Black holes

    By Erich, August 10, 2005
    • 3 replies
    • 1.1k views
    • 
    • hamish
    • August 31, 2005

22. Feedback desired on an expansion respresentation

    By Endy0816, January 5, 2015
    • 4 replies
    • 1.1k views
    • 
    • Endy0816
    • January 5, 2015

23. Parallax of the stars

    By sunshinesunshine, April 18, 2018
    • 10 replies
    • 1.1k views
    • 
    • Strange
    • April 18, 2018

24. Low end Meade telescope quality?

    By RichF, July 9, 2006
    • 0 replies
    • 1.1k views
    • 
    • RichF
    • July 9, 2006

25. why there is only 7 days in a week?

    By Guest, January 1, 1970
    • 0 replies
    • 1.1k views
    • 
    • Guest
    • January 1, 1970