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Solstice and aphelion: How summer works – Portland, Oregon

Portland, Oregon 2021-06-20 12:00:00 –

Summer starts at 8:32 pm on Sunday

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Graphic showing the summer solstice (TimeAndDate.com via OMSI)

Portland, Oregon (KOIN) —Summer officially begins at 8:32 pm on Sundays. For those who have forgotten what the summer solstice is OMSI Jim Todd We have provided this information for the review course.

When the solstice occurs, the Earth’s North Pole is up to 23 ° 26’at the point closest to the Sun. Technically it lasts only for a moment, but more generally it refers to the day it happens. This is also the longest day of the year. In other words, it is the day with the longest period of sunlight. (Yes, this means that the days will start to shorten again until late December and it will be dark at 4 pm)

Therefore, at the summer solstice, the earth tilts so that the North Pole is the closest point to the Sun.

But two weeks later, on July 5, the Earth itself will be the furthest away from the Sun. This is called the aphelion (the opposite of the perihelion where the Earth’s orbit is closest to the Sun).

Remember that there are two summer solstices each year. June is the Northern Hemisphere, and December (which is dark and cold here) is the summer of the Southern Hemisphere.

Did you get all this? There is a pop quiz on Friday. Don’t forget your sunscreen.

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Solstice and aphelion: How summer works Source link Solstice and aphelion: How summer works

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