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单词 Marsden group
释义
Marsden group

Astronomy
  • A family of sunskirting comets seen by the SOHO spacecraft and first identified in 2002 by the English astronomer Brian Geoffrey Marsden (1937–2010). They have a mean perihelion distance of 0.048 au and inclination around 26°. Like the Kracht group, they are thought to be an offshoot of comet Machholz.


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