... Galileo wrote the textbook "Treatise on the Sphere or Cosmography." It was about astronomy, but maintained geocentrism (Machamer 35). In 1597, his friend, Jacopo Mazzoni, a philosopher, published a book against the motion of the Earth. Mazzoni made some illogical assumptions about how visible the heavens would be if the Earth truly moved. These assumptions were, of course, based on ... had any doubts surrounding his Copernican conviction, it was immediately following these realizations that they dissolved (RMartin). The astronomical discoveries he made with his telescopes were described ...

• Word Count: 4135
• Approx Pages: 17
• Has Bibliography
• Grade Level: High School

... but not far off model of the solar system. Tycho Brahe's model of the solar system used the heliocentric method that was described in Copernicus" book. In 1584, a man by the name of Giordano Bruno came up with another theory that not only does the Earth move, but the sun ... of the most important people of The Scientific Revolution. Galileo used his mathematical skill to challenge the common view of physics that was established by Aristotle. Galileo discovered many things. He discovered that two objects regardless of their weight fall at the same speed. "He also did groundbreaking resear...

• Word Count: 2877
• Approx Pages: 12
• Has Bibliography
• Grade Level: High School