. . . "Cosmic Background Explorer" . "1.57788E7" . "Cosmic Background Explorer (COBE)" . "COBE-satellite/FIRAS-instrument" . . . . . "1989-089A" . . "1989-11-18" . . . . . . . . "FIRAS" . "Explorer 66" . "COBE" . "20322" . . "COBE mission" . . . "Cosmic Background Explorer Satellite (COBE)" . . . . . "Cosmic Background Explorer#History" . "DIRBE" . . . . . . "Cosmic Background Explorer" . "COBE satellite" .