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Happy Summer Solstice!   10 comments

Sunrise over Klamath Marsh, south-central Oregon.

Sunrise over Klamath Marsh, south-central Oregon.  Click on image for purchase options.

It is that special day today, Summer Solstice!  It’s the longest day of the year and the first day of summer for the Northern Hemisphere.  For all you Southerners it’s Winter Solstice, the shortest day of the year and start of winter.  For today I’m posting one sunrise, from Klamath Marsh in southern Oregon, and one sunset, from the Pacific Coast just south of the Oregon-California border.

Please let me know if you’re interested in fine-art prints of the images here, or want to buy rights to the high-resolution files.  They’re not available for free download except with my permission.  Please contact me, thanks!

You may already know this but the Earth is tilted on its axis about 23.5 degrees.  This tilt gives us our seasons, and means as we go around the Sun there are four moments (not whole days) when things line up.  In March and again in September there’s a moment when the North Pole is tilted precisely along our path of travel, our orbit, at a perfect right angle to the Sun’s direction.  These are the equinoxes, when day and night are equal the world over.

seasons-earth-orbit_large

In December there’s a moment when the North Pole points directly away from the Sun.  In June, usually on the 21st but sometimes on the 20th, a moment comes when the North Pole points directly toward the Sun.  This puts the Sun as far north in our skies as it can get.  In the Southern Hemisphere it’s low in the sky, leading to short days.  In the Northern Hemisphere it’s high in the sky, leading to long days.

In the far north above the Arctic Circle, where I spent a couple summers a long time ago in Alaska, the Sun never sets at this time of year.  It skims along nicely above the northern horizon throughout the wee hours.  I went on several long hikes in the Brooks Range when I was up there working.  I’m a person who needs darkness to sleep, and I was having trouble staying asleep.  So I used the time to see the midnight sun trace its path across the sky above the Arctic Plain.

Our encampment was down in a valley with a fairly high ridge to the north, so you couldn’t see the midnight sun for about 8 full hours.  It took about an hour and a half to climb the ridge, and I”m sure it would take twice that long for me now!  In good weather there was a clear view out to the Chukchi Sea to the west, the Noatak River Valley to the north.  The glowing sun glided not far above the horizon.

I recall seeing a few grizzlies on their rounds down below.  I never ran into one close, but being alone I was cautious.  I avoided obvious passes and other places a bear might use to cross from one valley to another.

So enjoy our long days all you fellow Northerners.  If you live relatively close to the equator, I’m sorry but all this talk of seasons and change is a bit lost on you.  But heck, go ahead and celebrate with the rest of us!

The rugged Pacific Coast of far northern California witnesses many a fine sunset.

The rugged Pacific Coast of far northern California witnesses many a fine sunset.  Click on image for purchase options.

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