the earth's axis is tilted by about 23.5º, which explains why the earth has seasons. how does this occur? choose one or more: the hemisphere tilted toward the sun receives more solar radiation than the hemisphere tilted away from the sun. the tilt of earth on its axis determines the number of hours of daylight that each hemisphere receives. earth's tilt controls the degree to which light interacts with air particles by changing the distance it travels through the atmosphere. earth's tilt changes the angle at which sunlight arrives on earth, changing the area that is affected by that light. the tilt of earth's axis changes the distance from the earth to the sun, thus changing the amount of energy received.