Rotation curveIn astrophysics, the rotation curve of a galaxy is a graph that plots the orbital velocity of the stars in the galaxy on the y-axis against the distance from the center of the galaxy on the x-axis. See also: Vera Rubin. |
||
"He is one of those people who would be enormously improved by death." - H. H. Munro (Saki) (1870-1916) |
