Tag: planet
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Visualizing the hours of daylight in one year
Reddit user harpalss used animation software D3 to create a beautiful visualization of the changing patterns of daylight in one year. This is how the user describes it: Equation to calculate the hours of daylight for a given day of year and latitude can be found here. The animation was built with D3. Both the northern […]
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The spherical nature of the Earth
The world is round, and it has been for some time despite the rise of the flat earth movement. Take a look at some of the armillary spheres below, starting with the Chinese diagram from 1092. Even back then, they had could rationalize that the Earth adopted a round shape. The curvy nature of the […]