. "2008-051A" . "SMEX-10" . . "6.31152E7" . "IBEX" . . . . "IBEX Mission" . . . "''IBEX''" . "Interstellar Boundary Explorer (IBEX)" . . "Explorer 91" . "2008-10-19" . "33401" . . . . . . . . . "IBEX spacecraft" . . "Interstellar Boundary Explorer" . . . "IBEX \u2013 Interstellar Boundary Explorer" . "Interstellar Boundary Explorer" . . "IBEX" .