Astronomy and Cosmology

3412 topics in this forum

1. Cosmo Basics

   By Martin, October 19, 2008
   • 13 replies
   • 22842 views
   • 
   • swansont
   • August 3, 2018

2. Cosmological Principle 1 2

   By Mordred, May 30, 2015
   • 49 replies
   • 26271 views
   • 
   • YaDinghus
   • July 8, 2018

3. Using BOINC / seti@home?

   By Sayonara, August 29, 2010
   • 10 replies
   • 16542 views
   • 
   • Altruist1
   • March 26, 2016

4. Astronomy links 1 2 3 4 5

   By Martin, May 24, 2004
   • 102 replies
   • 87265 views
   • 
   • tinalay91
   • January 6, 2016

5. First image of massive black hole

   By Bmpbmp1975, 4 hours ago
   • 1 reply
   • 34 views
   • 
   • Bufofrog
   • 3 hours ago

6. April 30 asteroid

   By Bmpbmp1975, Saturday at 07:16 PM
   • 18 replies
   • 184 views
   • 
   • swansont
   • 6 hours ago

7. Biggest Bang Since Big Bang

   By Airbrush, March 8
   • 1 reply
   • 160 views
   • 
   • Airbrush
   • Thursday at 09:42 PM

8. Bob Lazar, Area 51, & Flying Saucers

   By Airbrush, March 16
   • 1 reply
   • 172 views
   • 
   • Curious layman
   • March 17

9. Astronomers will be able to image Earth-like planets by 2025

   By alfa015, February 22
   • 3 replies
   • 205 views
   • 
   • Curious layman
   • March 13

10. Thomson opacity (split from I finally found an accurate article on the speed of universal expansion) 1 2

    By TEFLing, March 1
    • 32 replies
    • 14072 views
    • 
    • Mordred
    • March 11

11. Could a magnet affect solar wind?

    By Daniel M, February 26
    • 6 replies
    • 273 views
    • 
    • Daniel M
    • March 9

12. What are the explanations for greater than C space-time expansion? 1 2

    By wucko, May 9, 2012
    • 43 replies
    • 4542 views
    • 
    • michel123456
    • February 29

13. Cosmology text book

    By Lizwi, February 24
    • 1 reply
    • 118 views
    • 
    • swansont
    • February 24

14. Bootes void

    By Bmpbmp1975, February 17
    • 16 replies
    • 477 views
    • 
    • Strange
    • February 23

15. Tachyons and Superluminal motion:

    By beecee, February 16
    • 11 replies
    • 332 views
    • 
    • Mordred
    • February 19

16. Vacuum decay theory questions

    By Bmpbmp1975, February 18
    • 15 replies
    • 261 views
    • 
    • Phi for All
    • February 18

17. Is the Earth close to the center of the Universe ? 1 2

    By MaximT, January 16
    • 25 replies
    • 14492 views
    • 
    • beecee
    • February 18

18. Apep

    By Bmpbmp1975, February 16
    • 20 replies
    • 426 views
    • 
    • Bmpbmp1975
    • February 16

19. Brown Dwarfs

    By Bmpbmp1975, February 14
    • 10 replies
    • 239 views
    • 
    • Airbrush
    • February 16

20. Star older than universe

    By Bmpbmp1975, February 14
    • 9 replies
    • 336 views
    • 
    • dimreepr
    • February 16

21. Betelguese dimming

    By Bmpbmp1975, February 15
    • 3 replies
    • 178 views
    • 
    • swansont
    • February 16

22. Apep

    By Bmpbmp1975, February 15
    • 1 reply
    • 172 views
    • 
    • swansont
    • February 15

23. Dead galaxy questions 1 2 3 4 7

    By Bmpbmp1975, February 11
    • 156 replies
    • 8770 views
    • 
    • Phi for All
    • February 15

24. The Way to See Behind The Moon

    By Ritzier, February 5
    • 2 replies
    • 233 views
    • 
    • Airbrush
    • February 15

25. Biggest Cannon in the Universe 3c186

    By Airbrush, November 30, 2019
    • 6 replies
    • 585 views
    • 
    • Strange
    • February 11