天气预报 > 其他 > 北半球几月份看银河最好
北半球几月份看银河最好
更新时间: 2020-07-11 00:00:00  

北半球七月份看银河最好。

原因如下:

1、北半球四个季节可以看见银河,其中夏秋季银河比较明亮,因为银河是横跨星空的一条乳白色亮带,由一千亿颗以上的恒星组成,银河也是一条淡淡发光的带,所以七月份适宜看银河;

2、银河在天鹰座与天赤道相交,在北半球,银河在天球上勾画出一条宽窄不一的带,称为银道带,它的最宽处达30度,最窄处只有4度,七月份银河的带较明显,所以北半球七月份看银河最好。

关键词: 北半球 月份 银河 最好

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