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The reason for a green flash lies in refraction of light (as in a prism) in the atmosphere: light moves more slowly in the lower, denser air than in the thinner air above, so sunlight rays follow paths that curve slightly, in the same direction as the curvature of the Earth. Higher frequency light (green/blue) curves more than lower frequency light (red/orange), so green/blue rays from the upper limb of the setting sun remain visible after the red rays are obstructed by the curvature of the earth. Green flashes are enhanced by atmospheric inversions, which increase the density gradient in the atmosphere, and therefore increase refraction. A green flash is more likely to be seen in clear air, when more of the light from the setting sun reaches the observer without being scattered. We might expect to see a blue flash, but the blue is preferentially scattered out of our line of sight and remaining light ends up looking green.

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Q: What is the green flash at sunset over the ocean caused by?
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Related questions

When does the green flash happen?

Normally just before the sun actually sets, when the sunset is viewed across the ocean.


Why is the sky sometimes green during twilight?

The green color in the sky during twilight is caused by a phenomenon called "green flash." This occurs when the light from the setting sun is refracted and scattered through the Earth's atmosphere, with specific conditions such as clear air and low humidity. The green flash is more likely to be seen over a clear horizon, like an ocean or flat land.


Can you see the sunset over the ocean in New Jersey?

Technically, no. But it depends on your definition of ocean borders. You can see the sunset over the Delaware Bay from Cape May. At this point you can only see the water and sunset from New Jersey.


What is the green flash on the horizon at sunset time?

The green flash is a rare optical phenomenon that sometimes occurs just before sunrise or just after sunset. It happens when light from the sun is refracted by the Earth's atmosphere, causing the lower edge of the sun to briefly appear green as it dips below the horizon. It is typically only visible for a few seconds.


Can the ocean turn hair green?

Ocean water may interact with a chemical in your hair to turn it green. However, ocean water alone will not turn your hair green.


What is the major human-caused problems int he ocean?

pollution is the main human caused problem in the ocean.


What are some words to describe ocean views?

dramatic sunset, lapping water


HOW long would it take to evaporate a ocean?

as quick as a flash


What type of ocean current caused the Titanic to sink?

An iceberg on the Altlantic Ocean Caused the fatal damage to the titanic.


What are ocean bulges caused by?

It is caused by the moon's gravitational force.


Does the ocean turn green when theres lots of pollution?

I think that the ocean water turns green is by pollution


Where does sunset grill located?

The Sunset Grille is located in Maryland at 12933 Sunset Ave. Ocean City, MD 21842. In order to make reservations or contact them for additional questions call 1-410-213-8110.