LONDON, ENGLAND - MAY 20: British astronaut Helen Sharman (2nd-L) poses with her crew from the Soyuz TM-11 mission Sergei Krikalev (L), Anatoli Artsebarski (R) and their commander Viktor Afanasyev at an event to mark 25 years since her space mission hosted by the Science Museum on May 20, 2016 in London, England. Ms Sharman became the first Briton into space and the first female astronaut to visit the Mir space station in 1991, as part of Project Juno, a UK-Soviet cooperative programme. (Photo by Jack Taylor/Getty Images)
