The Rocky mountains are a step too high – even for the clouds to cross https://t.co/1SAD0nPZRj #Proxima pic.twitter.com/vbOCNevkxQ — Thomas Pesquet (@Thom_astro) January 9, 2017

During @esa #caves2011 @Thom_astro started training to get into spacesuits 😉 Now he's getting ready for his first #ISS #EVA pic.twitter.com/ZnMAx7YAAt — ESA CAVES & PANGAEA (@ESA_CAVES) January 9, 2017

Two-faced moon of #Saturn – @ESAscience image of the week https://t.co/YKWsDZ3YZ2 pic.twitter.com/47G4mpzkyW — ESA (@esa) January 9, 2017

Ever looked straight into a volcano… from space? #Hawaii's Mauna-Loa volcano with snow on top & lava flow patterns on its slopes. #Proxima pic.twitter.com/GxOQeFOutP — Thomas Pesquet (@Thom_astro) January 8, […]

In the Center of Spiral Galaxy NGC 5033: https://t.co/FxeNtouZh3 by @esa @NASA pic.twitter.com/oFwVBAKWqV — Astro Pic Of The Day (@apod) January 9, 2017

Happy 75th birthday to one of the most inspiring scientists of our time: Stephen Hawking https://t.co/B6w81TEljBPhoto by @esa & @NASA pic.twitter.com/oz1yB9Yyam — Spotify (@Spotify) January 8, 2017

So much snow it looks like cream! Let’s tackle climate change and safeguard nature’s balance #SDGs @UNFCCC https://t.co/7orpW5rgAF pic.twitter.com/kryPTkqL4i — Thomas Pesquet (@Thom_astro) January 8, 2017

We need to support children around the globe, especially when climate change endangers their future! https://t.co/WXoWiHpBYk — Thomas Pesquet (@Thom_astro) January 8, 2017

Next #Vega mission is getting ready to help monitor the Earth’s environment: #Sentinel-2B arrives in French Guiana #Copernicus pic.twitter.com/qhdDYcTYWf — Copernicus EU (@CopernicusEU) January 8, 2017

The Great Barrier Reef: another natural jewel that we must protect. #GreatBarrierReef #Australia https://t.co/BRLXLu5MkV pic.twitter.com/8FKrRbvOWe — Thomas Pesquet (@Thom_astro) January 8, 2017