Question 1
The vernal equinox occurs in March when the sun appears to be crossing the celestial equator. During this time, the sun is usually heading north. The autumnal equinox occurs in September when the sun crosses the equator as it moves towards the South Pole. On these days, the sun is directly over the equator. This results in equal durations of day and night.
The solstices occur when the earth is at its farthest distance from the sun. It occurs due to the elliptical shape of the earth’s orbit around the sun. This means that there are two solstices ...