Do seasons have to do with astronomy?

Yes, seasons are closely related to astronomy, specifically the tilt of the Earth's axis and its orbit around the Sun. The Earth is tilted at an angle of about 23.5 degrees, causing different parts of the planet to receive varying amounts of sunlight throughout the year. This variation in sunlight results in the changing seasons as the Earth orbits the Sun, leading to phenomena such as summer, winter, spring, and autumn.