What results occur due to the revolution movement? 3. What is equinox?
4. Mention the two differences between summer solstice and winter solstice.​

Change occur in the existing condition or state.

Explanation:

The main results occur due to the revolution movement is the change in the existing situation. Due to revolution movement done by the people of the state against the king or emperor leads to end of monarchy and power of the king. Equinox is the moment at which the center of the visible Sun is located directly above the equator. When the sun reaches its highest point in the Northern Hemisphere, the summer solstice occurs and the days are longer than 12 hours, while on the other hand, the winter solstice occurs between 21 and 22 December every year and all days are shorter than 12 hours.