这是1990年6月6日旅行者1号在四十亿公里外拍摄到的地球图片。地球就是在最右边那条光线中暗淡的蓝点。美国天文学家卡尔·萨根(CarlSagan)对此这样描述:
That’shere.
That’shome.
That’sus.
Oniteveryoneyoulove,
everyoneyouknow,
everyoneyoueverheardof,
everyhumanbeingwhoeverwas,livedouttheirlives.
Theaggregateofourjoyandsuffering,
thousandsofconfidentreligions,ideologies,andeconomicdoctrines,
everyhunterandforager,
everyheroandcoward,
everycreatoranddestroyerofcivilization,
everykingandpeasant,
everyyoungcoupleinlove,
everymotherandfather,hopefulchild,inventorandexplorer,
everyteacherofmorals,
everycorruptpolitician,
every“superstar”,
every“supremeleader”,
everysaintandsinnerinthehistoryofourspecieslivedthere
—onamoteofdustsuspendedinasunbeam.
这张照片提供了一个前所未有的角度来看地球。在寂寥无边的宇宙中,我们生活的这个星球仅仅是阳光里的一粒尘埃。
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