Which numbered position of Earth in its orbit around the Sun corresponds to the autumnal equinox? At this time, where on Earth are the Sun’s rays vertical?
Which numbered position of Earth in its orbit around the Sun corresponds to the vernal equinox? At this time, where on Earth are the Sun’s rays vertical?
How do the number of daylight hours compare between the northern and southern hemispheres when Earth is in position 3? Position 4?
