#WhereOnEarth was this #EarthFromSpace satellite image captured? Check ESA_Earth’s @Instagram profile for a clue! https://t.co/HQPSaRW8lo pic.twitter.com/2QazhPwhzR — ESA EarthObservation (@ESA_EO) May 18, 2017

Keeping our 17yr-old @ESA_Cluster in orbit requires skill, teamwork, coordination & a great backing track https://t.co/8OCVP8mOB4 — ESA Operations (@esaoperations) May 17, 2017

Tiny meatball-shaped Janus plays catch-up with big sister moon Rhea. https://t.co/t9yhKm2c4f pic.twitter.com/CqLhP1sJh2 — CassiniSaturn (@CassiniSaturn) May 17, 2017

Congratulations @Thom_astro on the #Icare2017 prize https://t.co/hSNSssfNi1 — ESA (@esa) May 17, 2017

A timelapse of aurora into a sunrise. Wait for it, the first bright rise… is not the Sun! https://t.co/LOxBmd8bpp #proxima pic.twitter.com/pv56eBCCnz — Thomas Pesquet (@Thom_astro) May 17, 2017

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An experiment on @AirZeroG #parabolic flight pointing the way to #AugmentedReality in space, our #ImageOfTheWeekhttps://t.co/0hy2CSolM7 pic.twitter.com/ChfnqriyDS — Human Spaceflight (@esaspaceflight) May 17, 2017

#OTD 17 May 1968 #ESRO-2B on #Scout rocket ready for launch, 1st ESRO satellite in orbit @esaoperations @esascience @NASAhistory pic.twitter.com/36E6ssnGod — ESA space history (@ESA_History) May 17, 2017