Credit: Jon Fram, OSU.
The team observed a very low rainbow on the first day of the spring 2023 Endurance cruise. Rainbows can be visible when the solar elevation is less than 42 degrees, meaning they are often observed in the morning orevening. However, this rainbow was observed north of the R/V Sikuliaq shortly after departure around 12:45 when the solar elevation was 39 degrees, so the rainbow was close to the horizon.
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