Vostok的精选

1、Image:TheMartiansurface,plusanemptyVostokbeerbottle.2、SovietcosmonautYuriGagarinmadeoneorbitinVostok1andsafelyreturnedtoearth.3、OtherdatafromtheVostokcoreshowthatmethanegasalsocorrelatescloselywi...