6Solar System
It seems incredible that only just over four hundred years ago, all humankind believed in the geocentric model, which places the earth at the center of the entire universe. It was only in 1609 that Galileo conclusively recorded the movement of Jupiter’s moons around Jupiter, not Earth, proving that the geocentric model was wrong. Of course, we now know that the sun is the center of our solar system, in what astronomers call the heliocentric model, Figure 6.1. In this chapter, we will briefly review the characteristics of our solar system to aid in our nightscape quests, including the differences between its eight planets. You will ...
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