For most of human history people believed the earth was the center of the universe and the sun, planets and stars all revolved around the earth. There were many different ideas of how the universe was set up but all of them followed the Biblical teachings that the earth was the center of everything. Then came some radical thinkers who tried to reconcile what they had learned with what they observed about the universe. They couldn’t get the two to match up. Copernicus, Kepler, Galileo and Newton all used science and observation to try and understand the universe. They and others like them were also persecuted by the Church and other scientists who believed the earth-centric configuration of the universe. I thought this was a very well-organized and interesting book. It was easy to follow and understand and I think it is perfect for kids starting to learn about the universe. I did think the last chapter on groups who still believe the earth is the center of the universe was a little less scientific explanation and a little more preachy, but other than that it was a great read.

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