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https://www.universetoday.com/151478/sending-a-spacecraft-to-another-star-will-require-a-million-lasers-working-together/
您即将离开知乎,请注意您的帐号和财产安全。
https://www.universetoday.com/151478/sending-a-spacecraft-to-another-star-will-require-a-million-lasers-working-together/