????????¦Ì???§Ö????????NASA????ESA??????????Europa?????20??
????????????¡ê???2013§Ò????????§Ù????
??§à§¼?????????—¨?35??????§Ý????????3??§Þ????????§Û????????§µ??????§Û?‰^
?§Ñ?§µ???6??õô???????¦¶?????§Ý??
??NASA???NASAESA§Á??NASA????????????Europa Clipper?§µ?ESA???????Ganymede?¦É????????????
??
?
??
