The launch readiness review clears #Ariane5 for liftoff! Check out the Mission Update for more Flight #VA234 info https://t.co/r01E4fQiwX — Arianespace (@Arianespace) December 19, 2016

Blogged: Faced, again, with senseless terror, we must move forward! https://t.co/j7BAk0DDmw #BerlinAttack — Jan Woerner (@janwoerner) December 20, 2016

#Xmas greetings from space by @Thom_astro @astro_kimbrough and @AstroPeggy #exp50 https://t.co/VYTdNhAL2W — ESA (@esa) December 20, 2016

Well put! https://t.co/1hoJO0EKiw — ESA (@esa) December 20, 2016

Want to intern at @ESA_EAC? New opportunity in Development of Video & Multimedia Training Materials. More info: https://t.co/2YEtj4NBaO — ESA Astronaut Centre (@ESA_EAC) December 20, 2016

Where does #innovation come from? People. ESA innovators speaking in their own words: https://t.co/njtvZK1KDv #TalkingTEC pic.twitter.com/wioDm0Yeoj — ESA Technology (@ESA_Tech) December 20, 2016

It's -5°F tonight but couldn't pass up a chance to wave to @Astro_Kimbrough @Thom_astro & @AstroPeggy aboard @Space_Station🚀#SpotTheStation pic.twitter.com/wBuVrHkjpH — 📷Trevor Mahlmann (@TrevorMahlmann) December 20, 2016

Congratulations @JAXA_en – Japanese satellite on its way to study Earth's Radiation Belts https://t.co/3Dmzl67pDR — ESA (@esa) December 20, 2016

Land and sea sometimes seem to melt together, like here in the gulf of aqaba https://t.co/G8JWnQ68Ro #Proxima pic.twitter.com/YlfAUv9Kx7 — Thomas Pesquet (@Thom_astro) December 20, 2016