Because in order to see a rainbow, the sun must be in a clear patch of sky.
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For a rainbow you need rain and sunshine at the same time. So this is possible on a partly cloudy day.
Because in order to see a rainbow, the sun must be behind you, in a patch of clear blue sky, and rather low, and at the same time, the air in front of you must be laden with moisture in the form of water droplets, spray, mist, or rain. That's a restrictive set of conditions that doesn't happen during most rainstorms.
There are a few reasons why a rainbow may not be seen after a storm. If there are clouds blocking the sunlight, no rainbow will appear. Additionally, your location may interfere with your ability to see a rainbow because a rainbow is only viewable from certain angles. While it might be raining on you there may not enough humidity in the surrounding area to make a rainbow appear. Where I live (West Texas) we get rain but it may be so dry in the surrounding area that no rainbow appears.
Does everyone see the same rainbow
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The sun has probably been out before, and you know what sun and rain makes: a rainbow.
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Rainbows occur when you see sunlight shining through a rainstorm. The curtain of raindrops act like millions of tiny prisms, which break light into it's component colors - a rainbow.
In or after a rainstorm. You might see one using the hose. You see it when there is water and sun. The light gets reflected of the droplets into its true colors. The water droplet acts like a prism.
They aren't; their entire shape is a complete circle. From our position during rainbow formation, we can only see half of the rainbow.
For a rainbow you need rain and sunshine at the same time. So this is possible on a partly cloudy day.
Because in order to see a rainbow, the sun must be behind you, in a patch of clear blue sky, and rather low, and at the same time, the air in front of you must be laden with moisture in the form of water droplets, spray, mist, or rain. That's a restrictive set of conditions that doesn't happen during most rainstorms.
cuz
Red
There are a few reasons why a rainbow may not be seen after a storm. If there are clouds blocking the sunlight, no rainbow will appear. Additionally, your location may interfere with your ability to see a rainbow because a rainbow is only viewable from certain angles. While it might be raining on you there may not enough humidity in the surrounding area to make a rainbow appear. Where I live (West Texas) we get rain but it may be so dry in the surrounding area that no rainbow appears.
Does everyone see the same rainbow