As a priest and a professor, Gassendi lectured on theology in his native southeastern France. However, as a philosopher, scientist, and astronomer, he was compelled to try to reconcile his scientific beliefs with the teachings of the church. Dissatisfied with the teachings of Aristotle, he came to espouse empiricism and atomism, the belief that tiny, indestructible particles form the basic building blocks of the entire universe. In 1631, he became the first person to observe what? Discuss
Source: The Free Dictionary