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TOPIC: Manhattan-henge effect
Blobrana


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Manhattanhenge can be viewed at 8:20 p.m., July 12, 2015



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Blobrana


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New Yorkers have witnessed "Manhattanhenge", a solar phenomenon during which all east-west streets on the city's grid system are spectacularly illuminated by the setting sun.
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Blobrana


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The Manhattan-henge effect can be seen at 8:16 p.m., 28th May, 2013

manhattansunset.com



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Blobrana


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New Yorkers will be treated to a special sight Thursday evening (July 12): It's one of two days a year when the setting sun aligns perfectly with Manhattan's street grid.
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Blobrana


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Manhattanhenge

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Blobrana


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Manhattanhenge
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Keep your eyes (and your smartphones) on the skies tonight during your evening commute: "Manhattanhenge", the twice-yearly event during which the sunset aligns with the city's street grid on the horizon, begins Tuesday evening at 8.17pm ET.
This year, Manhattanhenge occurs May 29 and July 12.
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Blobrana


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Just what is Manhattanhenge?

New Yorkers have witnessed an urban solar phenomenon, with the Sun setting in alignment with the city's skyscrapers and giving an effect fans say is reminiscent of Wiltshire's Stonehenge. Welcome to Manhattanhenge.
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Blobrana


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Sunset on the Manhattan Grid

On Wednesday, July 13, visit 42nd Street at sundown for one of the best views of Manhattanhenge.

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Blobrana


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Sunset on the Manhattan Grid

Does the grid of New York City have any astronomical significance? As the Sun sets on July 13, 2011,  it will be perfectly aligned with Manhattan's numbered streets. Preview this phenomenon in the Hayden Planetarium on Tuesday, July 12. Join Jackie Faherty for a visual explanation of Manhattenhenge using the state-of-the-art Zeiss Mark IX star projector and Digital Universe atlas.
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Blobrana


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What will future civilizations think of Manhattan Island when they dig it up and find a carefully laid out network of streets and avenues? Surely the grid would be presumed to have astronomical significance, just as we have found for the pre-historic circle of large vertical rocks known as Stonehenge, in the Salisbury Plain of England. For Stonehenge, the special day is the summer solstice, when the Sun rose in perfect alignment with several of the stones, signalling the change of season.
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Twice a year, people living in similar cities can watch  the "Manhattan-henge" effect  at sunset - where the grid of  buildings are in perfect alignment with the sunset. Any unobstructed view down a east-west street will show the setting Sun at the westward end.
These days are 30 May and 13 July. Sunset on 13 July is at 20:20 EDT.
Sunrise occurs at a cross-street on and around December 12 at 7:11 AM and  January 4 at 7:22 AM.

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