Learn to create a 3D model of Earth's rotation and solar illumination using VPython. Explore the step-by-step process of building an animated simulation that accurately depicts the Earth's rotational movement and the distribution of sunlight across its surface. Gain hands-on experience with VPython programming techniques and discover how to implement realistic celestial mechanics in a virtual environment. Access the provided code to follow along and enhance your understanding of 3D modeling and animation in the context of planetary motion.