Head­ing the bill for the blue­dot 2022 sci­ence pro­gramme are astro­naut Tim Peake, physi­cist Jim-Khalili, Mon­i­ca Grady, Sheena Cuick­shank and Pro­fes­sor Chris Lin­tott.  After beat­ing 8000 appli­cants to be select­ed as a Euro­pean Space Agency astro­naut, Tim Peake spent sev­er­al years in inten­sive train­ing final­ly join­ing the crew of the Inter­na­tion­al Space Sta­tion in 2015…