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
My Baby Must Be a Magician My Baby Must Be a Magician "My Baby Must Be a Magician" is the title of a 1967 single release by the Marvelettes which was written and produced by Smokey Robinson. Original Marvelette Wanda Rogers was the lead vocalist on the track; the background vocals were provided by the Andantes rather than official Marvelettes Ann Bogan and Katherine Anderson. Melvin Franklin of The Temptations is the male voice speaking the song's intro and the track features guitar licks from Miracles guitarist Marv Tarplin. The narrator of the song likens her lover to a magician admitting his lack of the expected