nasa has shut off key science instruments on its voyager spacecraft to conserve power as both probes approach the end of their operational life after 47 years of exploration.

nasa engineers are shutting off science instruments on both voyager probes.

voyager-1-brand">voyager 1's cosmic ray subsystem was turned off to save energy.

voyager-2-brand">voyager 2's low-energy charged particle instrument is scheduled to be turned off soon.

suzanne dodd is the voyager project manager at JPL, discussing power conservation measures.

patrick koehn is the voyager program scientist expressing the value of the data collected.