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单词 Wolf–Lundmark–Melotte system
释义
Wolf–Lundmark–Melotte system

Astronomy
  • An 11th-magnitude dwarf Magellanic-type irregular galaxy, a member of the Local Group; also known as DDO 221. It was discovered in 1909 by Max Wolf and later rediscovered by K. E. Lundmark and the English astronomer Philibert Jacques Melotte (1880–1961). It lies about 3 million l.y. away in Cetus.


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