NASA @NASA
To keep @NASAVoyager 1 & 2 flying after 42 years, our team carefully manages these vintage explorers. To save power, a heater for a Voyager 2 instrument was turned off. Despite dropping to -74°F, the cosmic ray instrument is still returning data! Details: https://t.co/vbsCRiCS6I https://t.co/jN2MznLzrz — PolitiTweet.org