Referring to the Equinox as being a time of equal day and night is a convenient oversimplification. This date is called an equinox, from the Latin for "equal night," alluding to the fact that day and night are then of equal length worldwide.īut that is not necessarily correct. This also marks the start of spring in the southern half of the globe. 23), autumn begins astronomically in the Northern Hemisphere. Astronomically speaking, autumn is about to begin in the north. Sick of long, hot summer days? Well, you're in luck. Equinox Myth Debunkedīy Joe Rao, Skywatching Columnist Please include drawings or images in your explanation. Read this article below and describe in detail why there are not precisely equal times of day and night on the Equinox. Explain in your own words why we see the equinoxes twice a year.Įxplain how the Earth's shape, rotation (spin), and revolution (orbit) make the equinoxes occur.
AUTUMNAL EQUINOX IMAGES FULL
The camera has now recorded a full year of life on Earth from its orbit, as seen above.ġ0. The EPIC camera aboard the satellite captures the ever-changing motion of clouds and weather systems as they pass over the continents on our rotating, round Earth. NOAA's new DSCOVR Satellite takes a new picture of the Earth every two hours, revealing how the planet would look to human eyes. Watch these videos to get a bigger perspective! Which position represents the Autumn (Fall) Equinox for people in the Southern Hemisphere? Which position is our Vernal (Spring) Equinox? Explain.ĩ. Hint: Position C is our first day of Summer (June 21).Ĩ. Which position of the Earth do you think represents the Autumn (Fall) Equinox for us in Wilson? Write these questions down and answer them in your journal.ħ. Please paste this image into your journal. The Earth is spinning you to the left, making the Sun appear to move toward the right. The Sun appears to move around you like the hour hand. Imagine yourself in the middle of a clock.
Notice that the Sun is just above the horizon because it is not quite the Equinox.ĭo you notice any difference in the direction that the Sun appears to move?Īt the North Pole, the Earth is spinning counterclockwise, which makes the Sun appear to move clockwise. The sun would circle you on the horizon because the Earth is spinning you under the sun!Įquinox Sun at the South Pole from Our Solar Siblings on Vimeo. How many hours of sunlight are at the poles on the Equinox?Īt the North and South Poles during the Equinox, you would get 24 hours of sunlight!
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