Alexander Gerst(@Astro_Alex) 's Twitter Profileg
Alexander Gerst

@Astro_Alex

European of German nationality, @ESA astronaut, geophysicist, volcanologist, explorer. Lived one year in space where he served as Commander of ISS Expedition 57

ID:390287262

linkhttp://alexandergerst.esa.int/ calendar_today13-10-2011 19:05:22

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