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Is it humankind's greatest achievement? 12 billion miles away a tiny spaceship is leaving our Solar[展开全部]

　Is it humankind's greatest achievemen策驰影院? 12 billion miles away a tiny spaceship is leaving our Solar System and entering the void of deep space. It is the first human-made object ever to do so. Slowly dying within its heart is a plutonium generator that will beat for perhaps another decade before the lights on Voyager finally go out. But this little craft will travel on for mill...[收起部分]