duck headed down to the Presumpscot river in Westbrook today are in for a heavy surprisal , as Maine’sgiant spinning ice diskhas yield . bang to some as the “ duck’s egg roundabout ” , the rarefied but raw phenomenon is the result of cold atmosphere colliding with mini vortex creating a jumbo , spinning , frozen circle that sometimes appears in the winter months .

First seen in Maine in 2019 , it made a minuscule visual aspect in 2020 , and is now back with a vengeance .

Icy Lazy Susans like this one have been pick out in rivers across the earth , and one of theearliest reportsof a sighting dates back to 1895 when a referee wrote into Scientific American to say they ’d spotted a “ revolving shabu patty ” in the Mianus River , New York .

The peculiar formation takes place when Eddy   – pockets of water supply incite in a circular direction – in a river frost and get to spin . Because the weewee in the middle of the eddy is moving the slowest , it ’s the most likely part to stop dead . The developing goon of ice step by step gets buffer into a near - pure circle as the continuing current make it spin and its edges scratch against rock candy and methamphetamine hydrochloride .

That said , nothing in science is impervious to conspiracy idealogue and some posited their own theories as to why the Duck Carousel has come back . “ I ’m not go to accuse you guy of engine room this , ” wrote Meteorologist at WCSH / WLBZ Keith Carson under aFacebookpost by City of Westbrook , “ but I did see Patrick Dempsey in a wetsuit swimming around there in big circles just a few days ago . ”

This class ’s offer from the Presumpscot river is similar in size to premature years but a little thin , saysDiscover Magazine . After appearing quite suddenly during a cold snap overnight , it spent a Clarence Shepard Day Jr. live on up to its Duck Carousel reputation before cranch to a frozen stop , but the vast circle is still visible .

Whether the giant ice-skating rink disk in Maine will begin to spin again continue to be ensure , so if you ’re a duck’s egg we ’d recommend fetch down there lickety - split .