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
What a Time to Be Alive platinum by the Recording Industry Association of America (RIAA), for combined sales and album-equivalent units of over a million units. Credits adapted from the album's liner notes and Tidal. Notes Credits adapted from album's liner notes and Tidal. Musicians Technical What a Time to Be Alive What a Time to Be Alive is a collaborative commercial mixtape by Canadian rapper Drake and American rapper Future. It was released on September 20, 2015, by Young Money Entertainment, Cash Money Records, Republic Records, OVO Sound, Epic Records, A1 Records and Freebandz. "What a Time to Be Alive" was supported by Drake and