Today is Int'l #polarbearday Read about how #space can help track them in the #Arctic https://t.co/fKT8NQKoY8 pic.twitter.com/p2GqkF4OHj — Space for Earth (@spaceforearth) February 27, 2017

Looking down into the Russian docking compartment. It also serves as airlock for Russian Orlan EVAs & as storage place the rest of the time! pic.twitter.com/u5CsZIYbF6 — Thomas Pesquet (@Thom_astro) […]

Cape Town, framed by the Lion’s head and the Table Mountain 🇿🇦https://t.co/iaO53dRsGu #Proxima pic.twitter.com/EKzNustNFc — Thomas Pesquet (@Thom_astro) February 27, 2017

One week to go for #Sentinel2Go ! Discover how the mission provides #colourvision for @CopernicusEU https://t.co/TiML2g8Nog pic.twitter.com/M9SX5DU8pT — ESA (@esa) February 27, 2017

@Drsauti @NASAhistory @Thom_astro playing with fire on @Space_Station is tricky, but expts have been done – see: https://t.co/W6yLw0IQmC — ESA (@esa) February 27, 2017

Astronauts will need to grow food & recycle waste for long missions. @esa is taking inspiration from nature: https://t.co/kl1qga4CjD pic.twitter.com/uYTnGEJPCC — Human Spaceflight (@esaspaceflight) February 27, 2017

@medalhellway @esascience More details about #SN1987A here https://t.co/AJSVnYqZxr — ESA (@esa) February 27, 2017

Welcome #SpaceAppCamp participants to #MWC17! Best of luck with your #EO apps! https://t.co/qWfFpTTJcW Pic: #Barcelona from #Sentinel2Go pic.twitter.com/32oqcNRAm8 — ESA EarthObservation (@ESA_EO) February 27, 2017

Have a great day at #SpaceAppCamp #MWC17 in Barcelona https://t.co/ItcTRdDQHd — ESA (@esa) February 27, 2017

Europe and Africa are so close geographically: here is the strait of Gibraltar, where they all but touch each other https://t.co/JBscWJJFgg pic.twitter.com/8vGNKtAGIE — Thomas Pesquet (@Thom_astro) February 27, 2017