Special delivery! 2 of the 4 #Galileo satellites for launch on #Ariane5 Flight #VA240 have arrived in French Guiana @EU_Commission @esa #OHB pic.twitter.com/t73HXZySzS — Stéphane Israël (@arianespaceceo) September 20, 2017

You've heard of a fisheye, right? Well, this is a 2fisheye time-lapse out of the @Space_Station cupola windows. It's pretty cool. pic.twitter.com/wto2vAvcZk — Jack Fischer (@Astro2fish) September 20, 2017

#Didyouknow that every dot in this view is the dusty glow of a distant galaxy seen by @ESAHerschel? https://t.co/zsDf8dHeh0 #HerschelMoments pic.twitter.com/Znn1GnCBgj — ESA Science (@esascience) September 20, 2017

Giant iceberg on the move – @CopernicusEU #Sentinel1 sees #A68 drifting away from #Antarctic ice shelf https://t.co/ZjGKOIOGSl pic.twitter.com/os0aVHLa0g — ESA (@esa) September 20, 2017

Take a journey through the history of the Universe & evolution of galaxies as seen by @ESAHerschel: https://t.co/1akfca1zTa #HerschelMoments — ESA Science (@esascience) September 20, 2017

#Flatland as seen by Monet? No. This is #SalarDeUyuni, #Bolivia, the world’s largest salt plain, imaged by #ProbaV: https://t.co/kv7lp1suo9 pic.twitter.com/wyp0QvDE6Y — ESA EarthObservation (@ESA_EO) September 20, 2017

#SpaceExploration The Next Generation with @esa Director General @janwoernerJoin the waitlist#perth #space 📡🚀🛰️ https://t.co/r2aGr47pez pic.twitter.com/nhy7GJLgnT — Space Hub Perth (@spacehubperth) September 18, 2017

A billion year-old geological #CSI scene @ESAspaceflight IOW with @AstroSamantha & @ESA_CAVES. #Pangaea pic.twitter.com/VIkFlYz8nA — ESA (@esa) September 20, 2017