Astronomy and Cosmology

3510 topics in this forum

1. Astronomy links 1 2 3 4 5

   By Martin, May 24, 2004
   • 103 replies
   • 91.5k views
   • 
   • paulsutton
   • August 3, 2020

2. Cosmological Principle 1 2 3

   By Mordred, May 30, 2015
   • 52 replies
   • 29.5k views
   • 
   • michel123456
   • June 22, 2020

3. Cosmo Basics

   By Martin, October 19, 2008
   • 13 replies
   • 25.1k views
   • 
   • swansont
   • August 3, 2018

4. Using BOINC / seti@home?

   By Sayonara, August 29, 2010
   • 10 replies
   • 18.5k views
   • 
   • Altruist1
   • March 26, 2016

5. First I heard of this! [Gotta have a giggle]

   By beecee, Tuesday at 09:29 AM
   • 1 reply
   • 66 views
   • 
   • beecee
   • Tuesday at 09:43 PM

6. Life Near a Red Dwarf Star

   By Airbrush, March 31
   • 11 replies
   • 346 views
   • 
   • Airbrush
   • Tuesday at 04:55 PM

7. Paradox of visual and actual positions in space.

   By AlexandrKushnirtshuk, Tuesday at 09:56 AM
   • 5 replies
   • 86 views
   • 
   • MigL
   • Tuesday at 12:32 PM

8. April 12th: 1961.

   By beecee, Friday at 09:36 PM
   • 13 replies
   • 251 views
   • 
   • joigus
   • Sunday at 04:11 PM

9. Get ready for the landing of Perseverance ! 1 2

   By Airbrush, February 11
   • 29 replies
   • 820 views
   • 
   • beecee
   • Saturday at 12:20 AM
10. A causa do inicio da expansão?

    Topic was moved to forum Speculations

11. Cosmic Microwave Background disprove 'Big Bang'

    By george909, March 29
    • 6 replies
    • 177 views
    • 
    • beecee
    • March 30

12. Researchers confirm accuracy of cosmological data analysis technique:

    By beecee, March 19
    • 0 replies
    • 184 views
    • 
    • beecee
    • March 19

13. Does the expansion of space mean anything for the movement of matter in space?

    By Alex Mercer, March 18
    • 18 replies
    • 314 views
    • 
    • Prof Reza Sanaye
    • March 19

14. The expanding universe

    By geordief, March 18
    • 6 replies
    • 164 views
    • 
    • MigL
    • March 19

15. Recommend a textbook

    By Toby Jug, March 2
    • 5 replies
    • 243 views
    • 
    • Toby Jug
    • March 2

16. Curiosity/Perseverance landing scale comparison contradiction.

    By AlexandrKushnirtshuk, March 2
    • 6 replies
    • 187 views
    • 
    • swansont
    • March 2

17. New exoplanet candidate found in the habitable zone of the closest star system

    By USer2343, February 28
    • 4 replies
    • 202 views
    • 
    • Area54
    • March 1

18. Earth The Size Of A Tennis Ball

    By Photon Guy, March 1
    • 0 replies
    • 139 views
    • 
    • Photon Guy
    • March 1

19. What is the depth of the gravitational potential of the universe?

    By Halc, February 27
    • 7 replies
    • 243 views
    • 
    • Halc
    • February 28

20. Lighting questions on the Perseverance landing video. 1 2

    By AlexandrKushnirtshuk, February 25
    • 41 replies
    • 951 views
    • 
    • Phi for All
    • February 27

21. Dark Matter collapsing to Super Massive Black Holes:

    By beecee, February 24
    • 0 replies
    • 121 views
    • 
    • beecee
    • February 24

22. Vacuum pressure of space

    By JustinW, January 11, 2012
    • 16 replies
    • 4k views
    • 
    • MigL
    • February 22

23. Why is there something rather than nothing? 1 2 3

    By Vexen, March 16, 2019
    • 50 replies
    • 3.7k views
    • 
    • MigL
    • February 20

24. MOND (split from New Study Claims Dark Matter Doesn’t Exist)

    By martillo, February 19
    • 3 replies
    • 119 views
    • 
    • Markus Hanke
    • February 20

25. Universe expanding...

    By Externet, February 17
    • 12 replies
    • 338 views
    • 
    • zapatos
    • February 18