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1、水星最接近太陽,是太陽系中最小的行星.水星在直徑上小於木衛三和土衛六,但它更重.2、金星是離太陽第二近,太陽系中第六大行星.在所有行星中,金星的軌道最接近圓,偏差不到1%3、地球是距太陽第三顆,也是第五大行星4…
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