Thanks to #CryoSat & #Sentinel1 missions, new light is being shed on the hidden world of #Antarctica's #IceShelves: https://t.co/LKGkNy3ItG pic.twitter.com/3IXeVwjMHu — ESA EarthObservation (@ESA_EO) October 11, 2017

On its 50th anniversary, test your knowledge of the Outer Space Treaty w @UN #champion4space @StationCDRKelly https://t.co/1P8WbHsT8S — UNOOSA (@UNOOSA) October 11, 2017

Astronauts Randy Bresnik and Mark Vande Hei completed their mission's second spacewalk today at 2:22 p.m. EDT. https://t.co/vGmkizRYAu pic.twitter.com/x64H0tqc1c — Intl. Space Station (@Space_Station) October 10, 2017

Interview with @VHPeuch, Head of @CopernicusECMWF: what will #Sentinel5P contribution to Atmosphere Monitoring be? https://t.co/oj331iLqp5 pic.twitter.com/CKGQAp5TZF — ESA EarthObservation (@ESA_EO) October 10, 2017

Only 3 days left until our #Food4theFuture film #premiere! Watch how #BigData is driving a new #agricultural #revolution from above. @esa pic.twitter.com/abxLCuGG6G — The EBRD (@EBRD) October 10, 2017

#Sentinel5p update: the Russian State Commission has approved booster fueling for launch Friday 13 October — ESA (@esa) October 10, 2017