Below is an example of a rotation curve for a spiral galaxy, and shows a rotation speed that is constant out to a distan
Posted: Fri May 06, 2022 7:17 am
Below is an example of a rotation curve for a spiral galaxy, and shows a rotation speed that is constant out to a distance of at least 35 Kpc. 10 20 30 kpc 300 CO HI 200 "visible" extent- 2₁ Vrot km/s 100 0 4' NGC 6033 Sc 1-62d PA=179d D=14Mpc 6' Radius 8' 065 10.10