One doesn't have to be at any specific angle to see a rainbow. What is Dependent on seeing the rainbow is the location of the rain, and sun relative to you. The sun is always behind a rainbow when seen. So you would be in front of the rainbow, rain, and the sun. Also, No two people see the same rainbow unless a picture or video was taken of the rainbow.
A rainbow is a circle. What we see from almost any point on earth is a semicircle, or just a part of the rainbow. We can only see it from horizon to horizon, or just an arc of the whole rainbow. Occasionally we can see a full circle of a rainbow in the sky surrounding the sun, and sometimes multiple ones.
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Red, orange, yellow, green, blue, violet, indigo . Seven(7) colours. NB When observing a rainbow in the sky;- Red is always on the outside of the bow. Inigo(blue) is always on the inside of the bow. Outside the red arc, the sky is darker, (light bending) Inside the indigo arc, the sky is lighter, (light bending again). When observing a rainbow, the centre of the rainbow is in a direct line between the Sun(at your back), you and the rainbow centre. NNB The angle from the centre line of the rainbow to the arc is 42 degrees. NNNB A very bright rainbow will produce a reflected rainbow outside the primary rainbow; the colours are reversed.
Actually it is circular but usually the sun needs to be quite low in the sky for the angle of the sunbeams hitting the raindrops to be suitable to create a rainbow visible from the ground. But, when that happens, a part of the rainbow is cut-off by the horizon and so it appears semicircular. Full circles are rare but have been seen/photographed.
Three right angles, where one of the "arms" of the angle curves inwards which makes the angle appear less than a right angle.
No, different people may see slightly different rainbows depending on their viewing angle and distance from the rainbow. Each person's perspective will affect the portion of the rainbow they are able to see.
No, you do not always see a rainbow when it stops raining. For a rainbow to appear, the conditions must be right, such as sunlight and rain at the same time, with the sun at a low angle in the sky behind the observer.
You typically do not see a rainbow during most rainstorms because the specific angle and alignment of sunlight, raindrops, and observer are required to create a rainbow. This combination is not always present during a rainstorm, resulting in the rainbow not being visible.
You can't physically get close to a rainbow because it's an optical illusion. The distance you see a rainbow depends on the angle of sunlight, water droplets in the air, and your position relative to the rainbow.
The moisture droplets in the air refract the light like a prism. This happens with millions of droplets, and depending on the angle at which you observe it, you see a rainbow.
You can see a rainbow when sunlight is refracted, reflected, and dispersed through water droplets in the air, such as after a rain shower or near a waterfall. The most common time to see a rainbow is when the sun is low in the sky, at around a 42-degree angle from your eyes.
When you see a rainbow and try to move closer to it, the position of the rainbow appears to move because the angle at which you see the sunlight refracting through raindrops changes as you move. This makes the rainbow's position appear to shift, creating the illusion that it is moving away from you as you approach it.
When you're in an airplane, you have a different perspective and are often above the clouds where the conditions are right for a circular rainbow to form due to the angle of sunlight and water droplets. On the ground, the angle of sunlight and the surface of the Earth make it difficult for all the necessary conditions to align for a circular rainbow to be visible.
40 cm angle
The rainbow angle in meteorology refers to the angle of 42 degrees between the observer, the raindrops, and the sunlight that creates a rainbow. This angle is significant because it determines the optimal conditions for the formation of rainbows. When sunlight enters a raindrop and reflects internally, it disperses into its component colors, creating a rainbow. The 42-degree angle ensures that the light is reflected back towards the observer, resulting in the appearance of a rainbow.
90
Because the angle of the Sun in relation to the viewer must be within a specific range.