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すみひろ～＠うちゅう @sumihiro_sakaki Follow

に が激突「弾丸を上回る秒速7キロ」

sp.hazardlab.jp/know/topics/de

＞観測機器は無事だと発表した

小さい隕石、いや でも痛そうｗ

amzn.to/2qyL3pS

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