Check out our interactive #moon guide – then test your knowledge https://t.co/HQVqWgtaW1 pic.twitter.com/TOdtup5OlB — ESA (@esa) December 26, 2016

Practicing medical emergencies in space: CPR requires bracing yourself with your feet against the 'ceiling'! https://t.co/29MGvqndk2 pic.twitter.com/fddS07czk4 — Thomas Pesquet (@Thom_astro) December 26, 2016

Mount #Kilimanjaro, the highest summit in Africa, was wearing a scarf of clouds this morning ⛅🌄 #Proxima https://t.co/q6XSZyY9Ph pic.twitter.com/y3lDMPDAKP — Thomas Pesquet (@Thom_astro) December 26, 2016

A Saturnian Snowman on Enceladus. ☃️ #merrychristmas #happyeverything https://t.co/8kS0JyRBWm pic.twitter.com/fdRWTbQdPx — CassiniSaturn (@CassiniSaturn) December 25, 2016

A personal highlight of my #Proxima mission so far: capturing #HTV6 with @astro_kimbrough https://t.co/hh9EgujBSa — Thomas Pesquet (@Thom_astro) December 25, 2016

@sunshyngurl our celebrations were out of this world 🌎🚀 — ESA (@esa) December 26, 2016

The crew of the #Exp50 flight to the @Space_Station wishes you all happy holidays! https://t.co/VHWBRim3eZ #Proxima pic.twitter.com/QlGKWL4PTs — Thomas Pesquet (@Thom_astro) December 25, 2016

The Northern hemisphere is sometimes a mass of white clouds and snow… like a snow globe https://t.co/V4EkWsM9PV pic.twitter.com/dkgQVwaRoK — Thomas Pesquet (@Thom_astro) December 25, 2016

A bit of Sun for #Christmas: sometimes landscapes look like microorganisms under a microscope #Australia https://t.co/vHEXbpbYRR #Proxima pic.twitter.com/5Ytkyg8cmB — Thomas Pesquet (@Thom_astro) December 25, 2016

What's for dinner aboard @Space_Station this #Xmas ? @Thom_astro @AstroPeggy and @astro_kimbrough explain https://t.co/VYTdNhAL2W — ESA (@esa) December 25, 2016