The Space Solar Telescope (SST) is a very important astronomicalsatellite project in China.
“空间太阳望远镜”是中国的一项非常重要的天文卫星计划。
2
Now a 15-year-old boy has studied astronomical charts devised by these ancient Mexican people, as well as satellite photos, to pinpoint the location of a forgotten Mayan city.
现在，一个15岁的男孩通过观察由古墨西哥人绘制出来的星图，结合卫星图像，发现了一座失落的玛雅古城。
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Data and drawings of astronomical survey, geodetic survey, geodetic survey by satellite, and gravity measurement;