Goto , which moves the map to the location of the object currently selected in the list 将星图转动到当前列表中所选的天体位置。
Enter the frequency at which the object ' s position should be calculated , the number of positions which should be calculated , and the labeling options , then click the ok button 输入计算该天体位置所需要的计算频率、需要计算的位置点数目和标注间隔选项,然后点击确定。
If your system clock is set to the correct time , the detectors will be shown in proper relation to the stars . they move around the celestial sphere once in 24 hours 如果你的系统时间设置正确,屏保中的探测器与天体位置将与现实中的相符。如果你对着屏保看一天,它们也将在24小时内围绕天球旋转一圈。
Abstract : this paper analyzes the astronomical backgrounds , such as the positons of celestial objects , variation in the earth rotation and solar activities , etc . , for the recent three moderate and strong earthquakes from chengjiang earthquake to qiubei earthquake in yunnan province 文摘:分析了澄江地震至丘北地震期间云南发生的3次中强震时的天体位置、地球自转与太阳活动等天文背景。