Astronomy and Cosmology

3685 topics in this forum

1. Sunspots on Venus?

   By Graxwell, June 3, 2015
   • 0 replies
   • 772 views
   • 
   • Graxwell
   • June 3, 2015

2. Astronomical seeing

   By kos, July 26, 2015
   • 0 replies
   • 719 views
   • 
   • kos
   • July 26, 2015

3. Density of Micrometeoroids in Space

   By GeeKay, October 1, 2015
   • 0 replies
   • 1.1k views
   • 
   • GeeKay
   • October 1, 2015

4. Solar system books

   By Chriss, October 3, 2015
   • 0 replies
   • 577 views
   • 
   • Chriss
   • October 3, 2015

5. is comoving radial distance of universe = cmb radius ?

   By stephaneww, October 20, 2015
   • 0 replies
   • 867 views
   • 
   • stephaneww
   • October 20, 2015

6. An ultra materialistic view of the universe evolution.

   By Ruslan_Sharipov, May 8, 2016
   • 0 replies
   • 810 views
   • 
   • Ruslan_Sharipov
   • May 8, 2016

7. How the Universe Works: Non-Dual Monistic Idealism

   By SamS, September 25, 2016
   • 0 replies
   • 791 views
   • 
   • SamS
   • September 25, 2016

8. relationship with the cosmological constant and the Planck force ?

   By stephaneww, March 17, 2017
   • 0 replies
   • 904 views
   • 
   • stephaneww
   • March 17, 2017

9. Protecting Astro/Cosmonauts

   By beecee, July 3, 2017
   • 0 replies
   • 953 views
   • 
   • beecee
   • July 3, 2017

10. Delta Aquarids

    By imatfaal, July 28, 2017
    • 0 replies
    • 1k views
    • 
    • imatfaal
    • July 28, 2017

11. Solar eclipse: why the shadow goes that way

    By Counterintuitive, August 19, 2017
    • 0 replies
    • 1.1k views
    • 
    • Counterintuitive
    • August 19, 2017

12. Cosmocalc now good on SFN

    By Mordred, October 3, 2017
    • 0 replies
    • 618 views
    • 
    • Mordred
    • October 3, 2017

13. NASA Aftermath of the Chelyabinsk Meteor

    By Sensei, October 8, 2017
    • 0 replies
    • 695 views
    • 
    • Sensei
    • October 8, 2017

14. Action Dynamics of the Local Supercluster

    By T. McGrath, December 9, 2017
    • 0 replies
    • 597 views
    • 
    • T. McGrath
    • December 9, 2017

15. Variation on Solar System Formation:

    By beecee, December 23, 2017
    • 0 replies
    • 609 views
    • 
    • beecee
    • December 23, 2017

16. Ultra Massive Black Holes:

    By beecee, February 20, 2018
    • 0 replies
    • 566 views
    • 
    • beecee
    • February 20, 2018

17. Tidal Gravitational Effects and Frame Dragging:

    By beecee, February 20, 2018
    • 0 replies
    • 628 views
    • 
    • beecee
    • February 20, 2018

18. Another test for Einstein:

    By beecee, February 22, 2018
    • 0 replies
    • 582 views
    • 
    • beecee
    • February 22, 2018

19. Black Holes and Gaseous Giants:

    By beecee, February 28, 2018
    • 0 replies
    • 660 views
    • 
    • beecee
    • February 28, 2018

20. Presentation: Worldwide Digital Sundial

    By angelsun, February 28, 2018
    • 0 replies
    • 519 views
    • 
    • angelsun
    • February 28, 2018

21. Water, water, everywhere!!

    By beecee, March 1, 2018
    • 0 replies
    • 599 views
    • 
    • beecee
    • March 1, 2018

22. Astronomers find 72 bright and fast explosions

    By beecee, April 5, 2018
    • 0 replies
    • 539 views
    • 
    • beecee
    • April 5, 2018

23. Handbook for New Actors in Space

    By Phi for All, April 10, 2018
    • 0 replies
    • 879 views
    • 
    • Phi for All
    • April 10, 2018

24. Testing General Relativity and Gravity:

    By beecee, April 17, 2018
    • 0 replies
    • 539 views
    • 
    • beecee
    • April 17, 2018

25. Consciousness as a universal framework

    By Shane Bellone, May 9, 2018
    • 0 replies
    • 530 views
    • 
    • Shane Bellone
    • May 9, 2018