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すみひろ～＠うちゅう @sumihiro_sakaki Follow

- 人工の「」　 の科学者が開発進める
bbc.com/japanese/video-3991866

人工の太陽光か
内惑星探査機の環境試験とかに使えそうね

LED人工太陽照明灯
amzn.to/2pELH9G

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