Astronomy and Cosmology

3208 topics in this forum

1. Cosmological Principle

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   By Mordred, May 30, 2015
   • 44 replies
   • 20617 views
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   • Mordred
   • November 7, 2017

2. Using BOINC / seti@home?

   By Sayonara, August 29, 2010
   • 10 replies
   • 13155 views
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   • Altruist1
   • March 26, 2016

3. Astronomy links

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   By Martin, May 24, 2004
   • 102 replies
   • 77753 views
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   • tinalay91
   • January 6, 2016

4. Cosmo Basics

   By Martin, October 19, 2008
   • 11 replies
   • 18926 views
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   • Mordred
   • May 7, 2014

5. Is the Universe infinite?

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   By dordle-loddle, August 1, 2017
   • 328 replies
   • 9733 views
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   • taeto
   • 3 hours ago

6. A centre of mass of the Universe.

   By geordief, 8 hours ago
   • 8 replies
   • 88 views
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   • studiot
   • 4 hours ago

7. Is this the Dark Matter Particle?

   By beecee, June 9
   • 14 replies
   • 217 views
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   • YaDinghus
   • Yesterday at 12:59 AM

8. Galactic distribution of heavy elements

   By MarkE, December 11, 2017
   • 22 replies
   • 881 views
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   • T. McGrath
   • Friday at 09:18 PM
9. How are galaxies expanding along with space time?

   Topic was moved to forum Speculations

10. Black Holes Tutorial for lay people;

    By beecee, June 15
    • 5 replies
    • 126 views
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    • beecee
    • June 15

11. Location of Pioneer 1 & 2

    By Nero, June 9
    • 23 replies
    • 421 views
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    • swansont
    • June 15

12. Black Holes and/or Wormholes:

    By beecee, June 12
    • 2 replies
    • 92 views
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    • beecee
    • June 15

13. Saturn's Formation and Early Evolution at the Origin of Jupiter's Massive Moons

    By T. McGrath, June 12
    • 4 replies
    • 108 views
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    • beecee
    • June 13

14. Would this be the final confirmation re the Big Bang?

    By beecee, June 8
    • 5 replies
    • 145 views
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    • beecee
    • June 9
15. Relationship between Matter, Anitmatter and newton third law of motion : Anmol bihariya

    Topic was moved to forum Speculations

16. Does the Oort Cloud protect us?

    By Hypercube, June 16, 2012
    • 24 replies
    • 2970 views
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    • MarkE
    • June 8
17. Dark matter is Negative mass!

    Topic was moved to forum Speculations

18. When did humans realize that there are another galaxies?

    By hamburger228, May 25
    • 5 replies
    • 169 views
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    • Mordred
    • May 26

19. Surviving in a Black Hole

    By GlueOn, May 15
    • 11 replies
    • 303 views
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    • icarus2
    • May 17

20. Exploring Titan

    By Gian, May 10
    • 2 replies
    • 212 views
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    • Gian
    • May 14

21. What planet is this?

    By mistykasumi, May 12
    • 8 replies
    • 165 views
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    • Eise
    • May 13

22. Black Hole Binary Pairs:

    By beecee, May 12
    • 0 replies
    • 104 views
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    • beecee
    • May 12

23. swimming on Titan

    By Gian, May 3
    • 10 replies
    • 274 views
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    • Gian
    • May 10

24. Field Question

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    By MikeAL, May 4
    • 151 replies
    • 2445 views
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    • MikeAL
    • May 9

25. Consciousness as a universal framework

    By Shane Bellone, May 9
    • 0 replies
    • 95 views
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    • Shane Bellone
    • May 9