#OTD 15 years ago 28 August 2002 launch of earth observation satellite #Meteosat #MSG-1 on #Ariane 513 V155 @ESA_EO @eumetsat @Arianespace pic.twitter.com/xuBGbeXVX7 — ESA space history (@ESA_History) August 28, 2017

#WorldWaterWeek – Discover how satellites help to manage this precious resource for #irrigation: with @ESA_EO https://t.co/vXxXwlWU4y — ESA (@esa) August 28, 2017

Moon #Prometheus lurks by ghostly patterns in #Saturn narrow F-ring: @esascience #ImageOfTheWeek by @CassiniSaturn https://t.co/Vm9BZHOXQy pic.twitter.com/ypjgmbvs3E — ESA (@esa) August 28, 2017

Thinking of friends in Houston, taking care of family & neighbors, serving in hospitals or mission control. Be safe! https://t.co/Q4dGsGD5vK — Sam Cristoforetti (@AstroSamantha) August 28, 2017

Ring crossing #20 of our #GrandFinale has been completed successfully. Just two remain. Ride along at: https://t.co/giL0pulIEW pic.twitter.com/fXJPZxw7DL — CassiniSaturn (@CassiniSaturn) August 27, 2017

Last week, for a fraction of a second, the Sun was eclipsed twice. One week ago today, many people in North America were treated to a standard, single, partial solar […]

European and Chinese astronauts training together. This leads to good things. https://t.co/ZYnt3HVDT2 @esa @NASA @csa_asc @ChinaSpaceNews pic.twitter.com/lVs773H7A5 — Chris Hadfield (@Cmdr_Hadfield) August 27, 2017

Meteron SubVis Co-Investigator Daniel Leidner explains the experiment with @astro_paolo & Justin on Friday. #GoJustin 🤖 #VITAmission pic.twitter.com/xWtBmj4Yg8 — DLR – English (@DLR_en) August 27, 2017

Cool science in space – the European-built MELFI – explained by @Astro2fish in #SpeedyTime https://t.co/6pwzrsFzUE — ESA (@esa) August 27, 2017