Because AT the location of every water droplet in the air that forms your
rainbow, the angle between the direction to the sun and the direction to
your eye must be the same. The only shape for which that's possible at
every point is a circle.
The "bow" referred to in "rainbow" is the sort of bent wooden pole used to shoot arrows. The arc of colors seen in the sky resembles the arc of a tightly strung bow.
a rainbow is not shaped like a arc its a circle
A rainbow.
There are such thing as rainbow clouds. Circumhorizontal arc.
Can be a noun. For example, the rainbow is shaped like an arc.
arc en ciel means rainbow
A rainbow is an Arc Of Light therefore you con not feel it.
Described in terms of its geometry, a rainbow is an arc of a circle.
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 while entering a droplet of water, then reflected inside on the back of the droplet and refracted again when leaving it.In a double rainbow, a second arc is seen outside the primary arc, and has the order of its colours reversed, red facing toward the other one, in both rainbows. This second rainbow is caused by light reflecting twice inside water droplets.
Noah's ark sailed underneath the rainbow arcThe huge arc that spread across the sky was rainbow like the ark
Arc en ciel
arc-en-ciel