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1.发现太阳系之外的第一个星系这一发现是由托伦大学的AleksanderWolszczan教授(现在美国普林斯顿大学工作)完成的。他对众多宇宙体进行了研究,认
1. Discovery of the first galaxy outside the solar system This finding was completed by Professor Aleksander Wolszczan of Torun University (now working at Princeton University in the United States). He studied many universes and recognized them