This phenomenon occurs when the Sun's declination becomes equal to the latitude of the location. On a zero shadow day, when the sun crosses the local meridian, the sun's rays will fall exactly vertical relative to an object on the ground and one cannot observe any shadow of that object.If you enjoyed this video, please give it a ❤️ and check out @sciencefunn for more science and daily facts. Video credit: unknown (please DM me if you know/are the creator)#science #physics #interesting #facts | S

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