Do your kids ever ask why we have day and night on planet #Earth ? @Paxi_ESAKids explains https://t.co/v4OCwtUofw — ESA (@esa) January 17, 2017

Father of US #GPS system comes to #ESTEC to meet Europe's #Galileo team:https://t.co/lAXPC1hvXY pic.twitter.com/nOfR2m7q6A — ESA Technology (@ESA_Tech) January 17, 2017

A snowy #Canada competes with the Sahara with its mix of geometric shapes. Dominant colour here.. white! https://t.co/Gx2fCjGLMx pic.twitter.com/w2BT7cM7tJ — Thomas Pesquet (@Thom_astro) January 17, 2017

http://ift.tt/2iDnp7U

Follow @ESA_EO for updates on upcoming #Sentinel2Go #socialspace 6/7 March – coming soon! https://t.co/xh3c560vtW — ESA (@esa) January 17, 2017

Image of the week: @thom_astro holding on to the @Space_Station during #spacewalk: https://t.co/svm1ZPP4zX pic.twitter.com/VWaEeqgBn1 — Human Spaceflight (@esaspaceflight) January 17, 2017

The wind sculpts the dunes in the #Sahara, no water in sight! #Proxima https://t.co/8x8cWziOVn pic.twitter.com/2q7TwvYYHd — Thomas Pesquet (@Thom_astro) January 17, 2017

ESA Director General @janwoerner spreading the word on #Space 4.0 to students at @UniLeiden this morning – oldest university in NL pic.twitter.com/onIQ3V9Cky — ESA Technology (@ESA_Tech) January 17, 2017

….and now with streaming link ; ) https://t.co/0KGSyIf5xD https://t.co/9qovtGeDmS — ESA (@esa) January 17, 2017

Tune in for tomorrow's #media breakfast with ESA DG @janwoerner, stay for #smallGEO briefing, streaming live from 09:00 – questions? #askESA pic.twitter.com/WNf9XJxnTo — ESA (@esa) January 17, 2017