如此厚重的光环降低了流星撞击引起的暗化效应,因此也可以用来解释目前光环亮度的问题。
Such massive rings would be less sensitive to the darkening effect of meteoroid bombardment, thus explaining their brightness today.
大的流星尾巴可被肉眼看见,但最经常出现的是那些亮度相当于15等星以上的小尾:这些小尾成了雷达探测的目标。
The larger trails can be seen with the naked eye, but even the smaller meteors down to 15th magnitude, which are more common, the left trails that provide radar targets.
坏消息是下个月的晚上,它的亮度会限制我们看夜空中的另一个灯光秀﹠——双子座流星雨。
Thee bad news about next month's supermoon is that its brightness will limit what we can see of another light show in the night sky — the Geminid meteor shower.
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