Parsec Parsec The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System. A parsec is defined as the distance at which one astronomical unit subtends an angle of one arcsecond, which corresponds to astronomical units. One parsec is equal to about 3.26 light-years (30 trillion km or 19 trillion miles) in length. The nearest star, Proxima Centauri, is about from the Sun. Most of the stars visible to the unaided eye in the night sky are within 500 parsecs of the Sun. The parsec unit was probably first suggested in
Miles Davis, Volume 3 Miles Davis, Volume 3 Miles Davis, Vol. 3 (BLP 5040) is a 1954 10 inch LP album by Miles Davis. It consists of the third and last of three sessions recorded for Blue Note Records. Several years later, Davis would once again record at Blue Note, but as a sideman on Cannonball Adderley's "Somethin' Else" (BLP 1595). The six tracks were recorded at Rudy Van Gelder's Studio, Hackensack, New Jersey, on March 6, 1954 For the session he used exactly the same quartet he would again record with seven days later for side 2 of the Miles Davis Quartet LP