第1个回答 2019-04-17
所谓凌日,就是指太阳被一个小的暗星体遮挡.这种小的暗星体经常是太阳系行星.也可以解释为凌日是内行星经过日面的一种天文现象.水星和金星的绕日运行轨道在地球轨道以内,称内行星.所以在地球上除了可以看到金星凌日外,还可以看到的凌日就是水星凌日.
顺便说下水星凌日"具体时间
日期__________凌始外切__内切_____甚_____凌终内切___外切___最小日心距（角秒）__备注
2006 Nov 08____19:12____19:14____21:41____00:08____00:10____422.9____好机会!
2016 May 09____11:12____11:15____14:57____18:39____18:42____318.5____只能出国去看
2019 Nov 11____12:35____12:37____15:20____18:02____18:04____ 75.9____只能出国去看
2032 Nov 13____06:41____06:43____08:54____11:05____11:07____572.1____好机会!
2039 Nov 07____07:17____07:21____08:46____10:12____10:15____822.3____好机会!
2049 May 07____11:03____11:07____14:24____17:41____17:44____511.8____只能出国去看
2052 Nov 09____23:53____23:55____02:29____05:04____05:06____318.7____好机会!大家保重身体
2062 May 10____18:16____18:20____21:36____00:53____00:57____520.5____不能出国的,也许是最后一次
2065 Nov 11____17:24____17:26____20:06____22:46____22:48____180.7____只能出国去看
2078 Nov 14____11:42____11:44____13:41____15:37____15:39____674.3____只能出国去看
2085 Nov 07____11:42____11:45____13:34____15:24____15:26____718.5____只能出国去看
2095 May 08____17:20____17:24____21:05____00:47____00:50____309.8____祝大家寿比南山!
2098 Nov 10____04:35____04:37____07:16____09:56____09:57____214.7____祝大家……吃人参果以后~