Astronomy and Cosmology

3189 topics in this forum

1. Cosmological Principle

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   By Mordred, May 30, 2015
   • 44 replies
   • 20163 views
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   • Mordred
   • November 7, 2017

2. Using BOINC / seti@home?

   By Sayonara, August 29, 2010
   • 10 replies
   • 12811 views
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   • Altruist1
   • March 26, 2016

3. Astronomy links

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   By Martin, May 24, 2004
   • 102 replies
   • 76534 views
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   • tinalay91
   • January 6, 2016

4. Cosmo Basics

   By Martin, October 19, 2008
   • 11 replies
   • 18567 views
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   • Mordred
   • May 7, 2014

5. Is There an Eternity?

   By General_Bloodgeon, Monday at 08:49 PM
   • 10 replies
   • 100 views
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   • beecee
   • 11 hours ago

6. Radius of curvature of Spacetime

   By studiot, April 7
   • 14 replies
   • 240 views
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   • studiot
   • 18 hours ago
7. Existence of extraterrestrials all around us and our need to listen to each other.

   Topic was moved to forum Speculations

8. Black holes and dark matter linked?

   By SimpleRick, April 18
   • 19 replies
   • 183 views
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   • MigL
   • Friday at 01:28 AM

9. Parallax of the stars

   By sunshinesunshine, April 18
   • 10 replies
   • 135 views
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   • Strange
   • April 18

10. Lost Planet:

    By beecee, April 17
    • 2 replies
    • 105 views
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    • Airbrush
    • April 18

11. Testing General Relativity and Gravity:

    By beecee, April 17
    • 0 replies
    • 55 views
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    • beecee
    • April 17

12. Artificial Gravity on the ISS

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    By Airbrush, April 7
    • 29 replies
    • 441 views
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    • Airbrush
    • April 16

13. Space is the ultimate antecedent

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    By gwb, March 26
    • 32 replies
    • 620 views
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    • Mordred
    • April 13
14. GRAVITATION AS COMPENSATION INTERACTION

    Topic was moved to forum Speculations

15. Basic rule for the Atmospheric Reentry Time of non powered Glider Class vehicles

    By LaurieAG, April 7
    • 3 replies
    • 138 views
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    • LaurieAG
    • April 11

16. Stuff in Space

    By Strange, April 10
    • 6 replies
    • 172 views
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    • koti
    • April 11

17. Handbook for New Actors in Space

    By Phi for All, April 10
    • 0 replies
    • 67 views
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    • Phi for All
    • April 10

18. More evidence for Dark Matter:

    By beecee, March 28
    • 16 replies
    • 317 views
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    • Strange
    • April 9

19. Astronomers find 72 bright and fast explosions

    By beecee, April 5
    • 0 replies
    • 84 views
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    • beecee
    • April 5

20. engineering and cosmology

    By fencewalker, April 4
    • 7 replies
    • 173 views
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    • Airbrush
    • April 5

21. An unknown source of planetary energy?

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    By Moreno, September 15, 2017
    • 91 replies
    • 2204 views
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    • jlowe22
    • March 31

22. The physics of Peter F. Hamilton's Nova Bombs?

    By Fanghur, February 2
    • 3 replies
    • 281 views
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    • Fanghur
    • March 30

23. Part of the Big Bang perplexes me

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    By gwb, March 16
    • 33 replies
    • 675 views
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    • Airbrush
    • March 28

24. Photons

    By Much Ado, March 26
    • 11 replies
    • 226 views
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    • Area54
    • March 27
25. Atomistic

    Topic was moved to forum Homework Help