Discover how atmospheric #pollution is measured by #satellites with ESA @euronews (8 langs) https://t.co/LnApZGSDDN — ESA (@esa) March 17, 2017

#Science just got prettier: new ESA project makes astronauts' photos of #aurora scientifically usable https://t.co/ZRBkKL12fM pic.twitter.com/7Y5ClzzFUh — ESA (@esa) March 17, 2017

What are volatiles and why should we look for them on the Moon? More on the #ESAMoonGuide: https://t.co/bvN7LvE2SB pic.twitter.com/rPLd1mm5Jw — Human Spaceflight (@esaspaceflight) March 17, 2017

Minimalist snow art in Russia. I cannot explain these km-long parallel lines https://t.co/o8reRsmhie pic.twitter.com/Nc9cQEc7wu — Thomas Pesquet (@Thom_astro) March 17, 2017

Follow the joint opening session for #SwarmMission and #CryoSat Science Meetings live from #Banff Canada on 20 March https://t.co/FSJxxvsRnk pic.twitter.com/dSTAW38BDf — ESA EarthObservation (@ESA_EO) March 17, 2017

Two more #spacewalks for @Thom_astro https://t.co/hjaCfj3pLV pic.twitter.com/FBMLW8h8k4 — ESA (@esa) March 17, 2017

Testing software with SPHERES robots and @astro_kimbrough that will be used to clean up space junk #cleanspace pic.twitter.com/nkjmNaaM45 — Thomas Pesquet (@Thom_astro) March 16, 2017

#OTD 17 March 2009 launch of #ESA's #GOCE satellite from Plesetsk Cosmodrome, 1st of the Earth Explorers, in service until Oct 2013 @ESA_EO pic.twitter.com/vmxPbKqdSc — ESA space history (@ESA_History) March […]

And here's the high-res of the #Calgary image in this week's #EarthfromSpace https://t.co/IV6qoG7xsW — ESA (@esa) March 17, 2017

In today's #EarthfromSpace: visit the mountains and prairies of #Alberta, #Canada with #Sentinel2 @CopernicusEU https://t.co/dg6kYT8CtP — ESA (@esa) March 17, 2017