Moon Phases :: Earth, Sun, and Moon Geometry

The Moon is not a light-generating body, meaning that she doesn’t actually produce any of her own light. All of the light that the Moon appears to illuminate our sky with, which we call moonlight, isn’t actually moonlight at all, but sunlight reflected off the lunar surface that is 450,000 times less intense than direct […]

Eratosthenes Measurement of the Radius and Circumference of the Earth

[This article needs to be edited, which I shall get to eventually, as soon as I can!] The radius and circumference of the Earth were first measured in around 200 BCE by a man named Eratosthenes (276 BC – 194 BCE). A¬†true polymath, Eratosthenes was an astronomer, mathematician, poet, and inventor, to name but a […]

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