With ESA’s Principia mission almost complete, British ESA astronaut Tim Peake will shortly be returning to Earth in a Russian Soyuz spacecraft. <br /> <br />During his six-month stay onboard the International Space Station he has carried out a substantial amount of experimental work in microgravity, ran educational programmes from space, and played an important part in operational activities both onboard and outside the Station. <br /> <br />More about the Principia mission: <br />http://www.esa.int/principia
