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
Why Must I Be a Crustacean in Love? to 6.7 million viewers, at the time a series low. Why Must I Be a Crustacean in Love? "Why Must I Be a Crustacean in Love?" is the fifth episode in the second production season of "Futurama". It originally aired on the Fox network in the United States as the ninth episode of the second broadcast season on February 6, 2000. The episode is a parody of the "" episode "Amok Time" and, in part, Cyrano de Bergerac. Amy and Leela drag Fry and Bender to the gym, and Dr. Zoidberg tags along. While at the gym, Zoidberg behaves erratically