Planetary model

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We've all been there, haven't we? Staring at that terrifying blank sheet of paper, wondering what to draw next. All creative juices evaporated, our poor artsy souls left in an artistic desert. In those moments, even our trusty drawing tools seem to mock us, daring us to find something, anything, to draw. Unfortunately, we're no strangers to the quest for drawing ideas when the muse has taken an unexpected vacation. It's during these times that we realize the true value of prompts — those…

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Ptolemaic system, mathematical model of the universe formulated by the Alexandrian astronomer and mathematician Ptolemy about ad 150 and recorded by him in his Almagest and Planetary Hypotheses. The Ptolemaic system is a geocentric that is, it starts by assuming that the Earth is stationary and at the centre of the uni Ancient Astronomy, History Of Astronomy, Science Kids, Mathematical Model, Drawn Flowers, System Model, Astronomer, Science For Kids, School Days

Ptolemaic system, mathematical model of the universe formulated by the Alexandrian astronomer and mathematician Ptolemy about 150 CE. The Ptolemaic system is a geocentric cosmology that assumes Earth is stationary and at the centre of the universe. Learn more about the Ptolemaic system in this article.

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