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Moon map from the NASA Clementine mission
图像
图注： A map of the Moon's surface constructed of images taken by the BMDO/NASA Clementine mission. The center of the image corresponds roughly to the center of the full moon. This map is a projection of the spherical moon onto a flat surface so the regions around the poles appear distorted, just as Antarctica appears distorted on a map of the Earth.
The large, dark patches in the center of the image are maria (singular mare). These are named after the Latin word for sea but they are not oceans like we have on Earth. Instead they are vast plains of basalt formed by lava that flowed out of volcanos on the moon billions of years ago. They appear darker and smoother than the older, lighter lunar highlands.
来源： USGS Astrogeology Science Center;
来源链接
词汇表:
月球 , 月海
分类：
太阳系
授权许可： 公共领域 公共领域 图标
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