The precise timings of occultations provide information about planetary atmospheres , the dimensions of extended visible , radio , and x - ray objects , and the positions of objects.
准确纪录掩星现象的时刻能提供有关行星大气，不同类型星体大小和准确的位置。
The precise timings of occultations provide information about planetary atmospheres , the dimensions of extended visible , radio , and x - ray objects , and the positions of objects.
准确纪录掩星现象的时刻能提供有关行星大气，不同类型星体大小和准确的位置。
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