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Ten @ESAGaia #SpacePostcards with #GaiaStamp are ready to be sent to YOU! Just answer this: precisely how many stars are there in the first Gaia sky map? First 10 correct […]

#WhereOnEarth was this satellite image captured? Guess the name of this city. The answer will be revealed tomorrow during #EarthFromSpace. pic.twitter.com/v2NU3SIZor — ESA EarthObservation (@ESA_EO) December 7, 2017

The day has arrived! @ESAGaia & #gravitationalwaves featured in new postage stamps to be officially presented in Germany today. Starstruck #stampcollectors stay tuned! 🌟#GaiaStamp https://t.co/uThMjjWKRd — ESA Science (@esascience) December […]

Growing plants for future travel to the Moon, #Mars and beyond – at home or in the classroom – #citizenscience with #Astroplant https://t.co/C0k26JBBt0 — ESA (@esa) December 7, 2017

As seen from planet Earth, all the lunar and solar eclipses of 2017 are represented at the same scale in these four panels. The year’s celestial shadow play was followed […]

From the orange shades of #Africa to the green and brown of #Russia. Special guest of this #TimelapseADay: #Italy 🇮🇹! #VITAmission pic.twitter.com/oPZVX7AuRY — Paolo Nespoli (@astro_paolo) December 6, 2017