The Equinox Phenomenon: Equal Hours of Daylight and Darkness
What is the result of the equinox?
A. the hours of daylight and the hours of darkness are about the same
Final answer:
During an equinox, the result is roughly the same number of daylight and darkness hours (A), due to the Sun's direct rays striking the Earth's equator, which happens around March 21 and September 21 annually.
Explanation: During the equinox, the Sun's rays strike Earth at a 90 degree angle along the equator, resulting in approximately equal hours of daylight and darkness all over the planet. The question 'What is the result of the equinox?' can be answered with: A. the hours of daylight and the hours of darkness are about the same. The two equinoxes occur around March 21 and September 21, when day and night are roughly equal in length because the tilt of Earth's axis is such that the Sun illuminates the northern and southern hemispheres equally.
While atmospheric effects can cause the day to appear slightly longer than the night at the equinoxes, this small discrepancy doesn't significantly alter the balance between daylight and darkness. The main answer to the equinox phenomenon remains that there are approximately 12 hours of day and 12 hours of night everywhere on Earth, marking the transition between seasons.