Astronomy and Cosmology

3483 topics in this forum

1. Astronomy links 1 2 3 4 5

   By Martin, May 24, 2004
   • 103 replies
   • 90633 views
   • 
   • paulsutton
   • August 3, 2020

2. Cosmological Principle 1 2 3

   By Mordred, May 30, 2015
   • 52 replies
   • 28951 views
   • 
   • michel123456
   • June 22, 2020

3. Cosmo Basics

   By Martin, October 19, 2008
   • 13 replies
   • 24754 views
   • 
   • swansont
   • August 3, 2018

4. Using BOINC / seti@home?

   By Sayonara, August 29, 2010
   • 10 replies
   • 18210 views
   • 
   • Altruist1
   • March 26, 2016

5. An infinite and eternal universe 1 2

   By ProximaCentauri, April 6, 2020
   • 30 replies
   • 14205 views
   • 
   • beecee
   • Tuesday at 08:31 PM

6. Researchers find Mars has a Chandler wobble

   By beecee, January 11
   • 0 replies
   • 47 views
   • 
   • beecee
   • January 11

7. Communication with other life forms.

   By Kemsley29, January 2
   • 0 replies
   • 84 views
   • 
   • Kemsley29
   • January 2

8. Should we reply to the WOW! Signal?

   By alfa015222, November 14, 2020
   • 20 replies
   • 589 views
   • 
   • joigus
   • January 2

9. purpose of planets

   By Nader, July 29, 2017
   • 16 replies
   • 1649 views
   • 
   • Phi for All
   • January 2
10. Before the big bang

    Topic was moved to forum Trash Can

11. How does one compute the sideways velocity of a planet? 1 2

    By captcass, December 29, 2020
    • 31 replies
    • 42163 views
    • 
    • Phi for All
    • December 30, 2020

12. Big bang expansion (split from Time is a bubble)

    By QuantumT, December 28, 2020
    • 3 replies
    • 62 views
    • 
    • MigL
    • December 28, 2020

13. Expansion/Inflation and the Separation Velocity

    By geordief, December 26, 2020
    • 8 replies
    • 194 views
    • 
    • Markus Hanke
    • December 27, 2020

14. Cosmic Background Radiation and the Electromagnetic Field

    By geordief, December 25, 2020
    • 11 replies
    • 286 views
    • 
    • joigus
    • December 26, 2020

15. Cosmic Background Radiation and DM

    By geordief, December 24, 2020
    • 10 replies
    • 189 views
    • 
    • J.C.MacSwell
    • December 25, 2020

16. Ordinary Joe needs help from mathematician to prove/ disprove theory

    By IRW030370, December 4, 2020
    • 2 replies
    • 243 views
    • 
    • IRW030370
    • December 21, 2020

17. The Europa Fish & Chips Shop

    By Gian, December 9, 2020
    • 5 replies
    • 264 views
    • 
    • Gian
    • December 14, 2020

18. Can Antimatter explain Dark Energy and Dark Matter?

    By Asehgal33, December 7, 2020
    • 6 replies
    • 191 views
    • 
    • J.C.MacSwell
    • December 7, 2020

19. Geologically Recorded Asteroid Impacts...

    By Orion1, December 5, 2020
    • 1 reply
    • 135 views
    • 
    • swansont
    • December 5, 2020

20. Negative dimension / antispace

    By Mr Antykox, November 18, 2020
    • 6 replies
    • 303 views
    • 
    • Airbrush
    • December 3, 2020

21. Gravitational waves embossed on Europa?

    By robert1978bp, November 23, 2020
    • 11 replies
    • 327 views
    • 
    • Janus
    • November 24, 2020

22. Antidimension

    By Mr Antykox, November 22, 2020
    • 5 replies
    • 204 views
    • 
    • Moontanman
    • November 23, 2020

23. Neutron Star Astrochemistry

    By Anchovyforestbane, November 17, 2020
    • 2 replies
    • 195 views
    • 
    • Anchovyforestbane
    • November 17, 2020

24. Astrochemical Thought Experiment

    By Anchovyforestbane, November 17, 2020
    • 0 replies
    • 136 views
    • 
    • Anchovyforestbane
    • November 17, 2020

25. Hypothetical sci-fi question about wormholes and elapsed time between the 2 points 1 2

    By Pmfr, October 29, 2020
    • 35 replies
    • 125899 views
    • 
    • Pmfr
    • November 15, 2020