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
God Must Be a Cowboy God Must Be a Cowboy "God Must Be a Cowboy" is a song written and recorded by American country music artist Dan Seals. It was released in January 1984 as the fourth and final single from his album "Rebel Heart". It was also his first top 10 hit, reaching #10. It is also the album's most successful single. The music video, directed by Neil Abramson, is one of three videos Seals filmed specially for his 1991 video compilation, "A Portrait". The video shows Seals singing the song in the middle of a highway in a desert and also shows footage