An astronaut returns to Earth
(PHYSorg.com Space & Earth)

ESA astronaut Alexander Gerst will return to Earth alongside NASA astronaut Serena Auñón-Chancellor and Russian cosmonaut Sergei Prokopiev on 20 December. After more than six months living and working on the International Space Station, their Soyuz is expected to touch down in Kazakhstan at around 05:06 GMT (06:06 CET).