APOD: Supernumerary Rainbows over New Jersey (2022 Nov 27)

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APOD Robot
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APOD: Supernumerary Rainbows over New Jersey (2022 Nov 27)

Post by APOD Robot » Sun Nov 27, 2022 5:08 am

Image Supernumerary Rainbows over New Jersey

Explanation: Yes, but can your rainbow do this? After the remnants of Hurricane Florence passed over the Jersey Shore, New Jersey, USA in 2018, the Sun came out in one direction but something quite unusual appeared in the opposite direction: a hall of rainbows. Over the course of a next half hour, to the delight of the photographer and his daughter, vibrant supernumerary rainbows faded in and out, with at least five captured in this featured single shot. Supernumerary rainbows only form when falling water droplets are all nearly the same size and typically less than a millimeter across. Then, sunlight will not only reflect from inside the raindrops, but interfere, a wave phenomenon similar to ripples on a pond when a stone is thrown in. In fact, supernumerary rainbows can only be explained with waves, and their noted existence in the early 1800s was considered early evidence of light's wave nature.

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Ann
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Re: APOD: Supernumerary Rainbows over New Jersey (2022 Nov 27)

Post by Ann » Sun Nov 27, 2022 5:50 am


There really are similarities between the supernumerary rainbows and the concentric waves in a pond! :D I can understand that the supernumerary rainbow phenomenon was used to demonstrate the wave nature of light!

Ann
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VictorBorun
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Re: APOD: Supernumerary Rainbows over New Jersey (2022 Nov 27)

Post by VictorBorun » Sun Nov 27, 2022 11:00 am

Ann wrote: Sun Nov 27, 2022 5:50 am

There really are similarities between the supernumerary rainbows and the concentric waves in a pond! :D I can understand that the supernumerary rainbow phenomenon was used to demonstrate the wave nature of light!

Ann
more like Newton's rings
Image

I wonder why Newton
1) for a start, gave good names for the bands of the visual spectrum ROYGBIV
2) then later let the people call the mix between two rings "purple" when in fact it is pink, or fuchsia

Image

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orin stepanek
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Re: APOD: Supernumerary Rainbows over New Jersey (2022 Nov 27)

Post by orin stepanek » Sun Nov 27, 2022 2:02 pm

SupernumeraryRainbows_Entwistle_960.jpg
Supernumerary! That's a new word for me! It is amazing what
sunshine can do with water! 8-)
b3703f3c9b83bf4ffa1f75294695795a.jpg
Supernumerary cats! :mrgreen:
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Fred the Cat
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Re: APOD: Supernumerary Rainbows over New Jersey (2022 Nov 27)

Post by Fred the Cat » Sun Nov 27, 2022 7:07 pm

Bending light produces mind-bending opportunities. From Terrascopes to gravity scopes. 8-)

The possibilities are supernumerary! :wink:
Freddy's Felicity "Only ascertain as a cat box survivor"

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johnnydeep
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Re: APOD: Supernumerary Rainbows over New Jersey (2022 Nov 27)

Post by johnnydeep » Sun Nov 27, 2022 7:17 pm

Fred the Cat wrote: Sun Nov 27, 2022 7:07 pm Bending light produces mind-bending opportunities. From Terrascopes to gravity scopes. 8-)

The possibilities are supernumerary! :wink:
And you posts are always replete with interesting links!
--
"To B̬̻̋̚o̞̮̚̚l̘̲̀᷾d̫͓᷅ͩḷ̯᷁ͮȳ͙᷊͠ Go......Beyond The F͇̤i̙̖e̤̟l̡͓d͈̹s̙͚ We Know."

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Re: APOD: Supernumerary Rainbows over New Jersey (2022 Nov 27)

Post by johngranel » Wed Dec 07, 2022 12:27 pm

Secondary rainbows have inverted colours. https://www.metoffice.gov.uk/weather/le ... e-rainbows