Our week in #space images – @Astro_Alex meets the press ahead of #Horizons mission, Lagoon Nebula from @HUBBLE_space, preparation of #Sentinel3 for 25 April launch & Henderson Island, one of the most plastic-polluted places on Earth
More: https://t.co/OOR8SLCnbG pic.twitter.com/xUucBuXPVT

— ESA (@esa) April 21, 2018