Why is this horizon so colorful?
Because, opposite the Sun, it is raining.
What is pictured above is actually just a
It's uncommon appearance is caused by the Sun being unusually high in the sky during the
rainbow's center must be exactly
opposite the Sun,
a high Sun reflecting off of a distant rain will produce a
where only the very top is visible -- because the rest of the
rainbow is below the
Furthermore, no two observers can see exactly the same
every person finds themselves exactly between the Sun and rainbow's center,
the colorful circular band precisely 42 degrees from rainbow's center.
The above image featuring the
Eiffel Tower was taken in
France last week.
Although the intermittent thunderstorms lasted for much of the day, the
horizon rainbow lasted for only a few minutes.
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