冲日的天体和太阳是相对地球对称的,所以太阳落山它就升起。 方位明白了吗?// @7-Dee : 方….方位?
- 转发 @EasyNight : #天象预报 今天, #海王星冲日 ,是看这位太阳系“八哥”的好机会,但是他的亮度实在是有点低,即使是冲日期间,亮度也是7点几等,所以得用望远镜看。那么目视一族们,闲着也是闲着,来做个题? #每日一题
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