Physics, Space Science and Theories

1,706 topics in this forum

1. Richard Feynman: A Comprehensive list of Books & Videos 1 2

   By Feynman, January 12, 2013
   • 32 replies
   • 19.1k views
   • 
   • mikemarotta
   • December 11, 2020

2. Movement of stars 1 2

   By Space Traveller, April 17
   • 36 replies
   • 440 views
   • 
   • andrew s
   • Yesterday at 17:58

3. Massive stars vs Medium size stars

   By Spacecake2, April 6
   • 8 replies
   • 252 views
   • 
   • 900SL
   • April 18

4. Biggish telescope

   By Brian O, April 4
   • 5 replies
   • 192 views
   • 
   • robin_astro
   • April 5

5. Eye anatomy and observing through telescope

   By AlcorAlly, January 12
   • 17 replies
   • 766 views
   • 
   • Carbon Brush
   • March 30

6. Moon drift calculation (conspiracy theory!)

   By Tmh556, March 24
   • 9 replies
   • 270 views
   • 
   • Paul M
   • March 26

7. Tackling Inflation

   By Brian O, March 13
   • 23 replies
   • 407 views
   • 
   • andrew s
   • March 22

8. Saros questions

   By Alfredo, March 8   

   • eclipse
   • solar eclipse
   • 1 reply
   • 176 views
   • 
   • saac
   • March 8

9. The speed of light is…NO ITS NOT!!!

   By Sunshine, February 28
   • 14 replies
   • 415 views
   • 
   • MalcolmP
   • February 28

10. Why things fall over on the Moon

    By Gfamily, February 25
    • 1 reply
    • 227 views
    • 
    • Gfamily
    • February 26

11. Black matter

    By Michael Kieth Adams, February 24
    • 6 replies
    • 247 views
    • 
    • robin_astro
    • February 24

12. This is seriously cool stuff 1 2

    By vlaiv, February 18
    • 40 replies
    • 884 views
    • 
    • andrew s
    • February 23

13. Landing on a Black Hole surface ?

    By billhinge, September 11, 2023
    • 2 replies
    • 789 views
    • 
    • billhinge
    • February 22

14. Would they begin orbiting each other?

    By Sunshine, February 5
    • 7 replies
    • 370 views
    • 
    • saac
    • February 9

15. Terraforming Mars

    By Michael Kieth Adams, February 5
    • 10 replies
    • 364 views
    • 
    • ONIKKINEN
    • February 8

16. I have an idea on how to find the ninth planet . 1 2

    By Michael Kieth Adams, January 27
    • 38 replies
    • 941 views
    • 
    • badhex
    • February 1

17. Help me settle an argument (well a friendly discussion) 1 2

    By blinky, January 24
    • 25 replies
    • 601 views
    • 
    • ollypenrice
    • January 27

18. Aperture on reflectors

    By Bugdozer, January 23
    • 2 replies
    • 301 views
    • 
    • Bugdozer
    • January 23

19. Fallout detected!

    By Ags, January 21
    • 4 replies
    • 430 views
    • 
    • Ags
    • January 23

20. Extremely high energy particle

    By Captain Scarlet, November 24, 2023
    • 8 replies
    • 790 views
    • 
    • Mr H in Yorkshire
    • January 22

21. Cosmologists? Standard Model flawed by Big Ring… anyone care to speculate?

    By chops, January 16
    • 16 replies
    • 403 views
    • 
    • robin_astro
    • January 20

22. Movement of stars

    By Space Traveller, January 19
    • 3 replies
    • 338 views
    • 
    • saac
    • January 19

23. Neptune not so blue

    By Zermelo, January 5
    • 15 replies
    • 662 views
    • 
    • Kon
    • January 6

24. Questions about Prediction Model predicting effects of Solar Flares on satellites. Please ask question.

    By AP Hannan, December 26, 2023
    • 6 replies
    • 554 views
    • 
    • skybadger
    • January 4

25. Speed of light

    By martin_h, December 16, 2023
    • 21 replies
    • 730 views
    • 
    • robin_astro
    • December 21, 2023