ESA astronaut Tim Peake, NASA astronaut Tim Kopra and commander Yuri Malenchenko were launched into space on 15 December 2015 from Baikonur cosmodrome, Kazakhstan.
The launch marks the start of Tim Peake’s six-month Principia mission on the International Space Station running over 30 scientific experiments for ESA.
Follow Tim Peake via timpeake.esa.int and follow the whole mission on ESA’s Principia blog.