NASA官网原图：
https://www.jpl.nasa.gov/images/solar-system-portrait-earth-as-pale-blue-dot

去年是暗淡蓝点原图拍摄30周年，NASA还重新冲洗了照片并发布了重制版：
https://www.nasa.gov/feature/jpl/pale-blue-dot-revisited
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