An X-ray spectrometer, an X-ray telescope, cosmic ray detectors, and a laser retro-reflector (supplied by France) were also included.
aN x-rAY spEctROmeter, AN X-ray teLescopE, cosmic ray detECtORs, AnD a lAseR reTro-rEflEctOr (supplIEd BY fraNcE) wEre aLsO IncludEd.