From Twitter https://twitter.com/: In 1977, we launched twin @NASAVoyager spacecrafts. These remote ambassadors still send messages back 40 yrs later: https://www.youtube.com/watch?v=C1UBg4TPqX4&feature=youtu.be https://twitter.com/NASA/status/904392724807380992/video/1 https://chirp.cooleysekula.net/attachment/40589