The @NASAVoyager 2 probe no longer feels the solar wind & is flying through the interstellar space between the stars. It carries a working instrument providing 1st-of-its-kind observations of the nature of this gateway. Here's a look by the numbers: https://t.co/DuNBYPaXQj #AGU18 pic.twitter.com/GJGIgDpSHD
— NASA (@NASA) December 10, 2018