An yi amfani da Iridium a cikin masu samar da wutar lantarki na radiyo na radiyo na jirgin sama maras amfani da su kamar Voyager, Viking, Pioneer, Cassini, Galileo, da New Horizons. An zabi Iridium don rufe plutonium-238 a cikin janareta mai aiki saboda yana iya jure yanayin zafin jiki na aiki har zuwa 2000 ° C kuma saboda ƙarfinsa mai girma. Wani amfani ya shafi X-ray optics, musamman ma X-ray telescopes. An rufe madubai na Chandra X-ray Observatory tare da nau'in nau'i na 60 nm. Iridium ya tabbatar da cewa shine mafi kyawun zabi don yin la'akari da hasken X-ray, bayan platinum, da zinariya.
60 nm