Vera Rubin 1978 flat galactic rotation curves v(r) ~ const at large r imply spherical halo M(r) ~ r; first compelling DM evidence; modern Lambda-CDM standard.
Vera Rubin 1978 flat galactic rotation curves v(r) ~ const at large r imply spherical halo M(r) ~ r; first compelling DM evidence; modern Lambda-CDM standard.