Friday, September 14, 2007

1.3 - NASA Picture of the Day September 12: Six Rainbows Across Norway


Although rainbows are often associated with magic and pots of gold, they are actually caused by refraction and reflection. Sometimes a second rainbow is formed with reversed colors (far left). This is caused because there are multiple reflections inside the water droplets. A third rainbow is also formed since light reflected from the lake is also reflected inside the water droplets. Those Norwegians are so lucky to see so many rainbows at once!

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