Astronomy and Cosmology

3714 topics in this forum

1. Astronomy links 1 2 3 4 5

   By Martin, May 24, 2004
   • 105 replies
   • 107.9k views
   • 
   • swansont
   • June 25, 2021

2. Cosmological Principle 1 2 3

   By Mordred, May 30, 2015
   • 52 replies
   • 38.7k views
   • 
   • michel123456
   • June 22, 2020

3. Cosmo Basics

   By Martin, October 19, 2008
   • 13 replies
   • 28.6k views
   • 
   • swansont
   • August 3, 2018

4. Using BOINC / seti@home?

   By Sayonara, August 29, 2010
   • 10 replies
   • 21.7k views
   • 
   • Altruist1
   • March 26, 2016

5. Stellar engine using energy from black holes? (Nihility propulsor concept)

   By Illumina, 19 hours ago
   • 2 replies
   • 94 views
   • 
   • zapatos
   • 16 hours ago

6. Why blue shift?

   By Snoggums, December 18, 2007
   • 11 replies
   • 2.8k views
   • 
   • Ammaniya
   • January 16

7. My ideas

   By Zhibek, December 21, 2024
   • 4 replies
   • 303 views
   • 
   • Ammaniya
   • January 15

8. What is the Jeans length of our Sun?

   By Maximum7, January 13
   • 11 replies
   • 352 views
   • 
   • Ammaniya
   • January 15

9. Cosmic ships

   By Zhibek, December 26, 2024
   • 10 replies
   • 560 views
   • 
   • npts2020
   • January 4

10. Are the north and south poles dangerous to life?

    By Airbrush, November 25, 2024
    • 1 reply
    • 442 views
    • 
    • swansont
    • November 25, 2024

11. Tidal disruption event - Black holes and stars

    By paulsutton, November 14, 2024
    • 4 replies
    • 589 views
    • 
    • Mordred
    • November 18, 2024

12. Continuous Gravitational Influence Theory

    By kawiusz, October 25, 2024
    • 2 replies
    • 592 views
    • 
    • swansont
    • October 25, 2024

13. Comet Tsuchinshan–ATLAS

    By swansont, October 21, 2024
    • 4 replies
    • 343 views
    • 
    • Eise
    • October 22, 2024

14. Galaxies are much bigger than we thought, study reveals

    By DanMP, September 11, 2024
    • 18 replies
    • 1.6k views
    • 
    • Mordred
    • October 18, 2024

15. If Earth orbited Jupiter at Moon distance

    By StringJunky, October 9, 2024
    • 4 replies
    • 537 views
    • 
    • Janus
    • October 10, 2024

16. Earth Mass Increase by the Sun

    By iant, September 5, 2024
    • 6 replies
    • 802 views
    • 
    • iant
    • September 12, 2024

17. Is time getting faster? 1 2

    By gib65, July 29, 2024
    • 43 replies
    • 2.7k views
    • 
    • Mordred
    • August 31, 2024

18. James Web Telescope 1 2 3

    By John John, August 21, 2024
    • 60 replies
    • 2.7k views
    • 
    • Mordred
    • August 29, 2024

19. FLRW metric embedding diagram

    By Mordred, August 18, 2024
    • 1 reply
    • 618 views
    • 
    • Mordred
    • August 23, 2024

20. The Moon Earths little sister 1 2

    By John John, August 18, 2024
    • 33 replies
    • 1.7k views
    • 
    • John John
    • August 22, 2024

21. If Black holes slowly evaporate over time is there a point where they stop being a black hole? 1 2 3 4 5

    By MSC, April 27, 2024
    • 104 replies
    • 6.6k views
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    • Mordred
    • August 16, 2024

22. Schwarzschild cosmology

    By DeMoss, August 10, 2024
    • 1 reply
    • 596 views
    • 
    • zapatos
    • August 10, 2024

23. Does our moon affect Earth's core 1 2

    By Kurious12, May 1, 2022
    • 25 replies
    • 5k views
    • 
    • swansont
    • August 1, 2024

24. Astronomy and Astronomy Meta Stack Exchange missing basic scientific integrity - complaint on Physics Stack Exchange

    By q2wonderland, July 24, 2024
    • 4 replies
    • 866 views
    • 
    • q2wonderland
    • July 24, 2024

25. First ever sexual harassment on astronomy stack exchange

    By Nicram, July 22, 2024
    • 5 replies
    • 885 views
    • 
    • Phi for All
    • July 22, 2024