Paul Andersen explains the importance of argumentation in improving both understanding and design. This video begins with a discussion of the heliocentric and geocentric model of the Universe that eventually lead to the Copernican...

Most of the world believed that Earth was the center of the universe for a really long time. Then a few scientists decided to take a closer look.

This video explains the history of geocentric and heliocentric models of the solar system.

Anti-science mentality is rampant in this day and age, and one of the more peculiar aspects of this trend is the current fad that is the Flat Earth model. There exists a group of people who believe that against everything we have come to...

Now that we've learned about how the universe began, as well as the development of the Milky Way galaxy, the solar system, and the Earth, it's time to learn about the human beings that came to inhabit the Earth. Eventually, they began to...

A brief history of geocentric and heliocentric solar system models are discussed. Kepler's first law is defined. How to draw an ellipse is demonstrated. Planet eccentricities are discussed. This is an AP Physics C: Mechanics...