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  1. Rainbow - Wikipedia

    In a primary rainbow, the arc shows red on the outer part and violet on the inner side. This rainbow is caused by light being refracted when entering a droplet of water, then reflected …

  2. What Is a Rainbow? - timeanddate.com

    Feb 14, 2025 · All about rainbows. What causes a rainbow, why is it curved? What are the rainbow colors, how does a double rainbow work, and what's at rainbow's end?

  3. What are the 7 colors of rainbow in order called?

    The colors of the rainbow originate from sunlight’s visible spectrum and always appear in the sequence of red, orange, yellow, green, blue, indigo and violet.

  4. What is a Rainbow? How Do Rainbows Form? | Almanac.com

    May 30, 2024 · What is a Rainbow? It takes both the sun and rain to make a rainbow! To put it plainly, rainbows are produced by sunlight entering water droplets, bouncing around each …

  5. What Causes a Rainbow? | Light, Physics, Reflection ...

    Sep 25, 2025 · A rainbow is caused by the refraction, dispersion, and reflection of sunlight as it passes through raindrops. As light passes through raindrops, it bends at different rates …

  6. What Causes a Rainbow? | NESDIS | National Environmental ...

    A rainbow isn’t really a “thing” and it doesn’t exist in a particular “place.” It is an optical phenomenon that appears when sunlight and atmospheric conditions are just right—and the …

  7. How Do Rainbows Form? - National Weather Service

    HOW DO RAINBOWS FORM? "A rainbow in the east will be followed by a fine morrow, in the west by a wet day." - Weather Proverb What is a rainbow? The rainbow is one of the more …