ESA astronaut Paolo Nespoli landed back on Earth early this morning after 139 days in space. The ride home from the International Space Station required braking from 28 800 km/h to a standstill in barely three hours. #VitaMission http://www.esa.int/Our_Activities/Human_Spaceflight/Paolo_Nespoli_returns_to_Earth #ESA #HumanSpaceflight #astronauts #InternationalSpaceStation #ISS #spaceresearch #education #Mars #Moon #Extraterrestriallife #Rosetta #Aurora #Europa #MarsExpress #ATV #Columbus #ISScommercialisation #microgravity