The order of the solar system with regards to the geocentric model, according to Penn State University is Earth (stationary and at the center), moon, Mercury, Venus, sun, Mars, Jupiter and Saturn.

As Kepler worked on this problem, Brahe set about perfecting his own geocentric model of the solar system with Earth at its center. Not only did the orbit of Mars not fit well with the geocentric ...

In the coming decades, Voyager 1 will be joined by other craft sent along solar ... Solar System. To put the challenge of interstellar travel in perspective, let’s build a scale model of our ...

Have you ever wondered just how big space really is? It’s huge. In fact, it’s astronomical! The Colorado Scale Model Solar System depicts the Sun, the planets, and the distances between them all on ...