European Space Agency Director General Johann-Dietrich Woerner will discuss the partnership between NASA and the @esa as well as current and future ESA activities in the next installment of our Thought Leader Series on April 19. Get your free ticket today: https://t.co/wvIqwXIsA7 pic.twitter.com/EJNfKw4MlI

— Space Center Houston (@SpaceCenterHou) April 10, 2018