Astronauts Helen Sharman and Tim Peake join astrophysicist and The Sky At Night presenter Maggie Aderin-Pocock and UNOOSA’s Simonetta Di Pippo as they assess how human spaceflight has helped us appreciate our planet. From the incredible insights we’ve gained about Earth as we’ve learnt more about neighbouring planets, to the way in which international collaboration and advances in satellites and remote sensing are helping us track the effects of climate change more accurately than ever befor... See more >