These are the best space photos of 2016 https://t.co/m5dyFan6LP — TIME (@TIME) December 16, 2016

Scientists discover jet stream deep below Earth’s surface with three-satellite #SwarmMission https://t.co/PWVMqyZCnz pic.twitter.com/ZffpwEeVgy — ESA EarthObservation (@ESA_EO) December 19, 2016

Space station @NASA_astronauts take thousands of photos of Earth every year. Enjoy the Top 16 Earth Images of 2016! pic.twitter.com/UaywXcovQj — Intl. Space Station (@Space_Station) December 19, 2016

It doesn’t look like it but these star-like features represent galaxies! Find out why in Space Science Image of Week https://t.co/H1EkwlfRUV pic.twitter.com/AaHXxX7fwz — ESA Science (@esascience) December 19, 2016

.@astro_kimbrough’s hair salon! You need to be a man of many skills to be an astronaut… or rather: don’t mind an approximate hairdo 😉 pic.twitter.com/qNSeokblt6 — Thomas Pesquet (@Thom_astro) December […]

Magali Vaissiere, head of ESA's Telecoms directorate, looks back over an eventful and successful year #EndofYearhttps://t.co/O74DALGX5l pic.twitter.com/jkgc5bctLJ — ESA ARTES (@esa_artes) December 19, 2016

@AmandineBriand please send any media requests for @Thom_astro to https://t.co/BdU19dDLhp — ESA (@esa) December 19, 2016

#OTD 19 December 2013 launch of #ESA's billion star mapper #Gaia on a #Soyuz VS06 from French Guiana @ESAGaia @esascience @Arianespace pic.twitter.com/BbAxsSwvTK — ESA space history (@ESA_History) December 19, 2016

Astro-pointillism — @ESA #Hubble Picture of the Week. https://t.co/lPoyXy1Jj1Credit: ESA / @HUBBLE_Space & @NASA pic.twitter.com/P0pZbq5Vj3 — HUBBLE (@HUBBLE_space) December 19, 2016

#Italy ranks high in my list, both on the earth and from space https://t.co/kDwRs3w6eI https://t.co/VseOdccgCr #Proxima pic.twitter.com/8p7jDH9dbd — Thomas Pesquet (@Thom_astro) December 18, 2016