
NASA @NASA
"I'm so glad that this new satellite, the Sentinel-6 Michael Freilich, will go into space and really teach us about this blue marble, our home." - @Dr_ThomasZ of #NASAScience talks about this historic U.S.-European mission to measure sea levels around the world. #SeeingTheSeas https://t.co/sSFcZKOiLx — PolitiTweet.org