"American astronomer" . . . . . "Paul Kalas"@en . "Kalas, Paul"@en . "1967Z"^^ . . . "Paul Kalas (born August 13, 1967) is a Greek American astronomer known for his discoveries of debris disks around stars. Kalas led a team of scientists to obtain the first visible-light images of an extrasolar planet with orbital motion around the star Fomalhaut, at a distance of 25 light years from Earth. The planet is referred to as Fomalhaut b."@en . "1967-08-13Z"^^ .