星系的聚類

星系傾向於形成小群,這些小群又形成更大的星系團,以此類推。這種層級組織結構長期以來一直被懷疑存在,但直到最近才被清晰地觀察到

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P. JAMES E. PEEBLES is one of the world’s most distinguished cosmologists, a key player in the early analysis of the cosmic microwave background radiation and the bulk composition of the universe. He has received some of the highest awards in astronomy, including the 1982 Heineman Prize, the 1993 Henry Norris Russell Lectureship of the American Astronomical Society and the 1995 Bruce Medal of the Astronomical Society of the Pacific. Peebles is currently an emeritus professor at Princeton University.

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大眾科學 Magazine Vol 237 Issue 5This article was originally published with the title “The Clustering of Galaxies” in 大眾科學 Magazine Vol. 237 No. 5 (), p. 76
doi:10.1038/scientificamerican1177-76
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