4 ms·
Rubin-Ford effect https://en.wikipedia.org/wiki/Vera_Rubin#Galaxy_rotation_problem_and_Dark_matter https://en.wikipedia.org/wiki/Vera_Rubin#Galaxy_rotation_pro
by rusanu 10y ago
Rubin-Ford effect
https://en.wikipedia.org/wiki/Vera_Rubin#Galaxy_rotation_problem_and_Dark_matter https://en.wikipedia.org/wiki/Vera_Rubin#Galaxy_rotation_pro...