Looking back 1.5 M years with laser ice-drills in #Antarctica as @didier_schmitt visits Concordia research station https://t.co/wbmgkQIKjH pic.twitter.com/nO0KEgjjXk — Human Spaceflight (@esaspaceflight) January 21, 2017

Some #Sun for you this Saturday – our week in images https://t.co/SARsb8eT48 pic.twitter.com/sROBy5DKvl — ESA (@esa) January 21, 2017

New #graduates – could this be you? Still time to apply to our #YGT graduate trainee scheme. Deadlines now 30 Jan https://t.co/O0WdIo9Nf0 pic.twitter.com/MOMohy9Mwm — ESA (@esa) January 21, 2017

Daphnis the Wavemaker: https://t.co/5sYavLQp9X by Cassini Imaging Team, SSI, @NASAJPL, @esa, NASA pic.twitter.com/3D3peFx1RS — Astro Pic Of The Day (@apod) January 21, 2017

Land-use and the impact of man on the environment are two critical topics. City, irrigated fields and desert in Arizona 🇺🇸 #Proxima pic.twitter.com/mHkfBjS7PD — Thomas Pesquet (@Thom_astro) January 21, 2017

@Thom_astro @Space_Station Sleep tight, we're watching over you — ESA (@esa) January 20, 2017

Is it a bird? Is it a plane? No, it's @Space_Station as it flies in front of the Moon, seen from @ESA_ES in Spain https://t.co/gG7EBH5nCt pic.twitter.com/anXoLgEa10 — ESA (@esa) January […]

Martinique: a natural paradise and jewel of the Caribbean. Definitely going there when I get back to Earth #FridayIsland pic.twitter.com/xZodlHDKaq — Thomas Pesquet (@Thom_astro) January 20, 2017

Europe's latest stepping stone to a better world is GO for flight: Join us 6-7 March for #Sentinel2Go launch https://t.co/19sOiVaMZO pic.twitter.com/4llMMCVOFG — ESA (@esa) January 20, 2017

.@AirbusDS ready to ship #weather #satellite Aeolus for final testing ahead of launch @ESA @ESA_EO https://t.co/7V6YfIsl5n pic.twitter.com/3wK0gQfshU — Airbus Defence&Space (@AirbusDS) January 20, 2017