某星被月球的掩星现象出现在地球赤道的天顶上。
The grazing occultation of the star by the Moon is observed in the zenith at the Earth's equator.
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。
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.
应用推荐