NASA chose Prism’s “Spaceship Superstar” as the official song aboard Space Shuttle Discovery during its historic final flight, which speaks to Prism’s ongoing popularity, even in outer space! Meanwhile, back on earth:They’ve sold millions of albums, with songs that have become radio standards –Spaceship Superstar, Take Me to the Kaptin, Flying, Armageddon, Take Me Away, Young & Restless, Night to Remember, Don’t Let Him Know among them.Prism itself is classic rock. With two JUNO Awards  for Album & Group of…