The ongoing debate as to whether Pluto and its satellite, Charon, comprise a double dwarf planet system or a planet and its moon was settled following the discovery that the system's center of mass and a significant portion of its mass are outside of Pluto.
comprise a double dwarf planet system or a planet and its moon was settled following the discovery that the system's center of mass and a significant portion of its mass are
comprises a double dwarf planet system or a planet and its moon was settled following the discovery that the system's center of mass and a significant portion of its mass are
are a double dwarf planet system or a planet and its moon were settled following the discovery that the system's center of mass and a significant portion of its mass are
comprise a double dwarf planet system or a planet and its moon was settled following the discovery that the system's center of mass and a significant portion of its mass is
are a double dwarf planet system or a planet and its moon was settled and led to the discovery that the system's center of mass and a significant portion of its mass are
膜法师攻克GT 发表于 2017-10-1 15:25
OA是D吗?
膜法师攻克GT 发表于 2017-10-1 15:45
Pluto and its satellite comprise ,所以可以排除BCE,后面a significant portion of its mass 应该接is, ...
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