👉 A summer is a time of year when the weather is warm and sunny, usually in the summer months. In the context of physics, a "summer" refers to a period where the Earth's rotation rate is high enough that it produces an effect called "rotation waves," which are caused by the motion of the Earth's rotational axis. A "summer" can also refer to a specific event or situation, such as the arrival of summer solstice, when the Northern Hemisphere experiences the longest day and
