Do rainbows also appear in the dark? Why do rainbows also appear at night?

The rainbow that appears at night is the moon rainbow Rainbow is formed by the refraction and decomposition of sunlight by raindrops in the sky like a prism, so rainbows usually appear during the day when there is a sun. However, what is amazing is that there will be a rainbow in the sky at night, but not the sun rainbow during the day, but the moon rainbow! The above photo of Rainbow** was taken on October 26, 2004 in the Victorville area of California, USA.

At that time, the moon was full.

01 This is a rare natural phenomenon - the moon rainbow. After the rain, a large number of small water droplets are suspended in the air, and the moonlight is refracted when it passes, and in the refraction process, the refractive angle of different colors of light changes, forming a seven-color spectrum. But after all, moonlight is formed by the moon's reflection of sunlight, so moonlight is far less bright than sunlight, and the color of moonlight is correspondingly not so obvious, so moonlight can only distinguish one or two colors.

Whenever the clouds clear and the sun reappears after a summer shower, a beautiful semicircular rainbow often appears in the sky. But if you suddenly see a rainbow in the dark night sky, full of moonlight, do you doubt it? In fact, you are very lucky to witness a rare natural phenomenon - the moon rainbow.

When it comes to the moon rainbow, you must guess that it has something to do with the moon. Yes, the moon rainbow is a rainbow that appears in the moonlight, also known as the night rainbow, black rainbow. However, due to the low brightness of the moon, the moon rainbow is usually hazy, so the best time to observe it is during the brightest days near the full moon.

The rainbow usually appears in the sky opposite to the moon, and if it is after sunset and the moon is in the east, the rainbow will appear in the west; If it is before sunrise and the moon is in the west, the moon rainbow will appear in the east.

So how is the moon rainbow formed? Because the moon itself does not emit light, its light is reflected from the sun, so the formation of the moon rainbow is actually the sun, and the same as the sun, the moonlight is also made of a variety of colors of light mixed together, after the rain, a large number of small water droplets suspended in the air, the moonlight through the refraction occurred, in the refraction process, the refraction angle of different colors of light changed, and the seven-color spectrum was formed. But after all, moonlight is formed by the moon's reflection of sunlight, so moonlight is far less bright than sunlight, and the color of moonlight is correspondingly not so obvious, so moonlight can only distinguish one or two colors.

Of course, you don't have to see it after the rain, as long as there is a lot of moisture in the air, such as next to a waterfall, and the moonlight is bright enough, it is possible to see the moon rainbow.

It is worth mentioning that the moon rainbow is not to be confused with the moon halo, which is the refraction of ice crystals when the light passes through the cirrostratus clouds in the sky, so that the seven-color composite light is dispersed into an inner infrared violet halo or arc of light, which is generated around the moon, and the moon rainbow is in the sky in the opposite direction of the moon.

Summary. Kiss, there will be a rainbow during the day, especially after the rain, the sky will be sunny after the rain. When sunlight comes from behind you and hits the curtain of raindrops that are raining or have just rained on the opposite side, a seven-colored rainbow with ultraviolet red inside will appear.

The formation of the rainbow is mainly due to the result of the sun's rays being refracted within the circular raindrops and returning to the observer's eye. Due to the different wavelengths of light of different colors, they also "bend" slightly differently in the raindrops. As a result, raindrops of different heights will appear different colors to the observer.

In the top part of the rainbow area on the raindrop curtain, the raindrops are red, followed by orange, yellow, green, cyan, and blue, and the bottom raindrop is purple.

Kiss, there will be a rainbow during the day, especially after the rain, the sky will be sunny after the rain. When sunlight comes from behind you and hits the curtain of raindrops that are raining or have just rained on the opposite side, a seven-colored rainbow with ultraviolet red inside will appear. The formation of the rainbow is mainly due to the result of the sun's rays being refracted within the circular raindrops and returning to the observer's eye.

Due to the different wavelengths of light of different colors, they also "bend" slightly differently in the raindrops. As a result, raindrops of different heights will appear different colors to the observer. In the top part of the rainbow area on the raindrop curtain, the raindrops are red, followed by orange, yellow, green, cyan, and blue, and the bottom raindrop is purple.

Do you have any other questions, dear?

Thank you [Bixin] [Bixin] [Bixin].

Summary. There will also be rainbows during the day.

There will also be rainbows during the day.

Sunlight is a prerequisite for the production of rainbows, and good weather is the condition.

The appearance of rainbows, depending on the sunlight and humidity of the air, can occur in any season, especially during the day when the sky is clear after the rain. There is also a time during the day, when in Fountain Square, it is often seen, because the air here is very humid. The phenomenon of light interference is formed.

Look at <>

Although there is no sun at night, if there is bright moonlight and appropriate clouds and raindrops in the atmosphere, a moon rainbow can be formed.

The rainbow at night is called the moon rainbow, which is the rainbow that appears in the moonlight, also known as the night rainbow and the black rainbow. Since the rainbow is produced by the moon, it is usually only seen at night.

Due to the low illumination of the moon, the moon rainbow is also usually hazy and usually appears in the sky in the opposite direction of the moon. Although there is no sun at night, if there is bright moonlight and appropriate clouds and raindrops in the atmosphere, a moon rainbow can be formed. Because the appearance of the moon rainbow requires the cooperation of various weather factors, it is a very rare natural phenomenon.