视频简介
Four /]as;`),tron@ -auts@@ have /[to sta+)`y 1000 days in a sp@^+a#ce st* $(a: t(@ion a#(;.round Earth in order to pr! ove that a trip to Eu #ropa, one of Jupiter's moon, i.s po =ssible. T =he experi%$ence goe#%$-s wel=?l ,.?until som;%ething happens*/- ! on earth.