Astronomy and Cosmology

3709 topics in this forum

1. Astronomy links 1 2 3 4 5

   By Martin, May 24, 2004
   • 105 replies
   • 106.4k views
   • 
   • swansont
   • June 25, 2021

2. Cosmological Principle 1 2 3

   By Mordred, May 30, 2015
   • 52 replies
   • 37.8k views
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   • michel123456
   • June 22, 2020

3. Cosmo Basics

   By Martin, October 19, 2008
   • 13 replies
   • 28.2k views
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   • swansont
   • August 3, 2018

4. Using BOINC / seti@home?

   By Sayonara, August 29, 2010
   • 10 replies
   • 21.4k views
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   • Altruist1
   • March 26, 2016

5. Tidal disruption event - Black holes and stars

   By paulsutton, November 14
   • 4 replies
   • 213 views
   • 
   • Mordred
   • Monday at 01:32 AM

6. Continuous Gravitational Influence Theory

   By kawiusz, October 25
   • 2 replies
   • 373 views
   • 
   • swansont
   • October 25

7. Comet Tsuchinshan–ATLAS

   By swansont, October 21
   • 4 replies
   • 214 views
   • 
   • Eise
   • October 22

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

   By DanMP, September 11
   • 18 replies
   • 1.2k views
   • 
   • Mordred
   • October 18

9. If Earth orbited Jupiter at Moon distance

   By StringJunky, October 9
   • 4 replies
   • 305 views
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   • Janus
   • October 10

10. Earth Mass Increase by the Sun

    By iant, September 5
    • 6 replies
    • 547 views
    • 
    • iant
    • September 12

11. Is time getting faster? 1 2

    By gib65, July 29
    • 43 replies
    • 2k views
    • 
    • Mordred
    • August 31

12. James Web Telescope 1 2 3

    By John John, August 21
    • 60 replies
    • 1.9k views
    • 
    • Mordred
    • August 29

13. FLRW metric embedding diagram

    By Mordred, August 18
    • 1 reply
    • 398 views
    • 
    • Mordred
    • August 23

14. The Moon Earths little sister 1 2

    By John John, August 18
    • 33 replies
    • 1.2k views
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    • John John
    • August 22

15. 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
    • 104 replies
    • 5.5k views
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    • Mordred
    • August 16

16. Schwarzschild cosmology

    By DeMoss, August 10
    • 1 reply
    • 413 views
    • 
    • zapatos
    • August 10

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

    By Kurious12, May 1, 2022
    • 25 replies
    • 4.5k views
    • 
    • swansont
    • August 1

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

    By q2wonderland, July 24
    • 4 replies
    • 665 views
    • 
    • q2wonderland
    • July 24

19. First ever sexual harassment on astronomy stack exchange

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

20. Inconsistency between Velocity vs Redshift and Scale Factor vs Time plots 1 2 3 4

    By Nicram, July 17
    • 91 replies
    • 3.4k views
    • 
    • swansont
    • July 20

21. What are some massive black holes?

    By atom_cosmic10, July 11
    • 5 replies
    • 729 views
    • 
    • atom_cosmic10
    • July 19

22. it is true, It required a 100 tons of lifting power for spacemen to landed the moon in 1969?

    By PeterBushMan, July 6
    • 1 reply
    • 487 views
    • 
    • exchemist
    • July 6

23. Asteroid defense ideas 1 2 3 4 11

    By Airbrush, April 17
    • 268 replies
    • 10k views
    • 
    • zapatos
    • June 21

24. Goldilocks time in the earlier universe; when could life have began?

    By MSC, June 19
    • 5 replies
    • 677 views
    • 
    • sethoflagos
    • June 20

25. When did spacetime form? 1 2 3

    By geordief, June 1
    • 55 replies
    • 3.5k views
    • 
    • joigus
    • June 15