NASA @NASA
Since its launch in 2010, our EVE satellite’s sensitivity to measure subtle variability in extreme UV light emitted by the Sun has degraded. To correct this, @NASASun launched a sounding rocket carrying a copy of the EVE instrument to get a second look https://t.co/VrBHhTOrng https://t.co/Pv3WnZO48a — PolitiTweet.org