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February 19th is Copernicus's birthday! Discuss heliocentric theory and have your student use Kidpix to make a model of the solar system. Copernicus published a book called "The Revolutions of the Celestial Spheres". He wasn't the first to present the theory that the sun was in a fixed place and the earth rotated around it, but with this publication, he solidified the idea in science. He is credited as one of the fathers of the Scientific Revolution. I copied these pictures of the sun and earth from Inspiration and pasted them into Kidpix.