The Cartwheel Galaxy from Hubble: https://t.co/4sZ8KjTGtv by ESA, NASA, @hubble_space pic.twitter.com/o4c6hS8YSf — Astro Pic Of The Day (@apod) December 18, 2016

I had a perfect picture of the Nile river… until my own Soyuz photobombed me! https://t.co/HcVS1gYcJ3 #Proxima pic.twitter.com/j8nPHIcxT9 — Thomas Pesquet (@Thom_astro) December 17, 2016

#ICYMI @Thom_astro & @astro_kimbrough will perform a #spacewalk on 13 Jan to work on @Space_Station power supply https://t.co/b8ripkopeE pic.twitter.com/0BhIM0tQxw — ESA (@esa) December 18, 2016

Southern Jupiter looms some 37,000 kilometers away in this JunoCam image from December 11. The image data was captured near Juno’s third perijove or closest approach to Jupiter, the spacecraft […]

Evening quiz: can you name that (very geometrical) city? A clue: not in America, North or South. https://t.co/pSCXaDfjLV #Proxima pic.twitter.com/0dwVWR9AzA — Thomas Pesquet (@Thom_astro) December 17, 2016

@AustinBaur over the Himalayas, by our Proba-2 – full caption: https://t.co/NYqRZbnF9N — ESA (@esa) December 17, 2016

The “eye of Africa” – AKA Richat Structure, a striking landmark from space #Sahara. https://t.co/4AgCc3tHvt #Proxima pic.twitter.com/18TwpxsWvk — Thomas Pesquet (@Thom_astro) December 17, 2016

@AstroEngy mute button is top right — ESA (@esa) December 17, 2016

Send out-of-this world greetings to your #space friends with our e-card https://t.co/RUqkxTaXCJ pic.twitter.com/MR8Lo5PZ5J — ESA (@esa) December 17, 2016