A fantastic video highlighting @CassiniSaturn success factors, incl international coop #Huygens #Saturn #Titan #GrandFinale – via @NASAJPL pic.twitter.com/oaSqHvgZNm — ESA Operations (@esaoperations) August 31, 2017

Hubble delivers first hints of possible water content of Earth-sized TRAPPIST-1 #exoplanets https://t.co/XCcSjUrAnT pic.twitter.com/FDDiOdHa0x — ESA Science (@esascience) August 31, 2017

There's a reason why Earth was called "Pale blue dot"! / C'è un motivo se la Terra è stata chiamata un "puntino blu"!🌍🌊#WWWeek #VITAmission pic.twitter.com/1ylnXaXran — Paolo Nespoli (@astro_paolo) August […]

Congrats to @NASA_Johnson teams entrenched in Mission Control, weathering the storm to keep @Space_Station flying! You will endure #Harvey pic.twitter.com/K7u1Xs6ZpP — Thomas Pesquet (@Thom_astro) August 31, 2017

Tracking stellar motions with @ESAGaia – the motion of two million #stars as seen from the Sun #gaiamission https://t.co/Wb69al0X7L — ESA (@esa) August 31, 2017

#Sentinel5P on its way to the launch site in Russia from @AirbusSpace – follow @ESA_EO launch blog https://t.co/b51cDjYJx7 pic.twitter.com/PqfAerRItM — ESA (@esa) August 31, 2017

16 sunsets a day on @space_station but at Concordia station in Antarctica it's a 4-month wait #September #Uprint https://t.co/5l87O39YE6 pic.twitter.com/SoHyxHg5H7 — ESA (@esa) August 31, 2017

Orbiting above the lunar nearside on August 21, the Lunar Reconnaissance Orbiter turned to look back on a bright, Full Earth. As anticipated its Narrow Angle Camera scanned this sharp […]