Radial velocity Radial velocity The radial velocity of an object with respect to a given point is the rate of change of the distance between the object and the point. That is, the radial velocity is the component of the object's velocity that points in the direction of the radius connecting the object and the point. In astronomy, the point is usually taken to be the observer on Earth, so the radial velocity then denotes the speed with which the object moves away from or approaches the Earth. In astronomy, radial velocity is often measured to the first order of approximation by
There Must Be a Pony There Must Be a Pony There Must Be a Pony is a 1986 American made-for-television drama film directed by Joseph Sargent. It is based on the novel of the same name by James Kirkwood Jr. Marguerite Sydney is a celebrated Hollywood star attempting a comeback after a stay in a mental hospital, as well as trying to re-establish a relationship with her teenage son, and risking a romance with a mysterious new suitor. The film received mixed to negative reviews. "Miss Taylor and Mr. Lowe are worth the effort of watching but, in the end, the movie illustrates one of