Look out for @Thom_astro 's new book, released on 23 Nov 🌎 https://t.co/wUAsdz2Oz5 — ESA (@esa) October 30, 2017

Be part of @astro_paolo's #Vitamission. create your own planetary artwork with #SPAC3 App, here's how https://t.co/s6WttAr8i4 @SPAC3_EARTH pic.twitter.com/PVmB9Iw5KN — ESA (@esa) October 30, 2017

#Ariane6 Vulcain engine set for first firing in December https://t.co/z9pxDnz13S pic.twitter.com/cWhMLjKRKk — ESA (@esa) October 30, 2017

A #Halloween hole in #space spotted by #Hubble – @ESAScience image of the week https://t.co/juzGO1xh1X pic.twitter.com/E0kSduUHNF — ESA (@esa) October 30, 2017

Here we have 16 sunrises a day; in this one the camera was out of focus… but it resulted in an interesting effect! #MondayMotivation pic.twitter.com/frBYvcTnU6 — Paolo Nespoli (@astro_paolo) October […]

#OTD 30 October 1980 #ESA Convention entered into force. ESA was created in 1975, the Convention is its founding act https://t.co/xgRkyBUIIn pic.twitter.com/CTY4w244Ms — ESA space history (@ESA_History) October 30, 2017

Start your day with a smile. All the beauty of #Italy from space caught in #HD by @astro_paolo https://t.co/Ujq1sQML04 — ESA (@esa) October 30, 2017

Meteors have been shooting out from the constellation of Orion. This was expected, as October is the time of year for the Orionids Meteor Shower. Pictured here, over a dozen […]

Starstruck stamp collector? New postage stamp featuring @esascience's #GaiaMission to be issued in Germany on 7 Dec: https://t.co/6DX2crizhv pic.twitter.com/k4fHmyWjtn — ESA (@esa) October 29, 2017