Author Archives: Isabel Gibson

“There are only two times of the year when the Earth’s axis is tilted neither toward nor away from the sun, resulting in a “nearly” equal amount of daylight and darkness at all latitudes…. The “nearly” equal hours of day and night is due to refraction of sunlight or a bending of the light’s rays that causes the sun to appear above the horizon when the actual position of the sun is below the horizon.” You’ll be relieved to know that this is the last you’ll hear of these mechanics from me. Continue reading →