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【大美广东】Double rainbows unfolded in the sky over Shenzhen. 双彩虹在深圳上空浪漫上演

发布时间:   来源: 欧洲侨报
Lingnan: Beauty Beyond Borders | On the evening of July 17, the topic of #Shenzhen Double Rainbows surged to the top of the #Weibo Hot Search List. Netizens excitedly posted their stunning photos of the double #rainbows online. How do double rainbows form? One of the #rainbows that is brighter is called a primary rainbow, and the other fainter one is called a secondary rainbow. Generally, rainbows are formed when light from the sun is scattered by water droplets through a process called refraction. When #sunlight is reflected twice within raindrops, a double rainbow appears. #SplendidLingnan








7月17日晚,#深圳双彩虹#冲上了微博热搜榜首。网友也纷纷在网络上晒出自己拍的绚丽双彩虹。双彩虹是怎么出现的呢?其实,双彩虹一条叫虹,另一条叫霓。一般来说,当阳光经过水滴时,它会被折射-反射-折射出来,出现的就是常看到的单条彩虹。如果阳光经过折射-反射-反射-折射,多了一次反射过程,就是双彩虹。

   
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