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Messier 91 - Wikipedia, the free encyclopedia
瀏覽:1241
日期:2026-04-20
Messier 91 (also known as NGC 4548 or M91)[3][4] is a barred spiral galaxy located in the Coma Berenices constellation and is part of the Virgo Cluster of galaxies. M91 is about 63 million light-years away from the earth. It was the last of a group of eig...看更多
















