Beginning of partial solar eclipse 23 October 2014. Photographed at Park University.The last three solar eclipses have been obscured by clouds in NW MO |
Every now and again, one catches the public imagination. These are usually total solar eclipses, since it is possible to look at the Sun without risking injury only during totality. In the center of the path of totality, the sky will darken enough to see the atmosphere of the Sun (corona), planets and stars. Diurnal animals will seek nighttime refuge and nocturnal animals will start to come out. As the solar output dims, shadows change accompanied by a palpable cooling. It is something that is totally out of the ordinary, and novelty sells.
Filtered view of the Sun |
Take time to experience the world now, for you are a long-time dead
Setting up the camera to photograph the eclipse |
I don't have to convince my friend Ed, from Red Wing, Minnesota. We have both recently lost close friends who were way too young to die. Knowing that life is fleeting and wanting to experience the spectacle of a total solar eclipse, Ed hopped on a motorcycle with his daughter Marley and staged overnight looking for a break in the weather. He ended up at the American Legion in Amazonia, Missouri. Even though the clouds hid totality, he gave the eclipse a thumbs up. I have some amazing friends.
Darkness falls on Park University as totality nears |
A picture of my friend Ed and his daughter riding from MN to see the eclipse in MO, taken by Marley and thieved by me from Facebook |
Observation of lunar eclipses made by Aristotle allowed him to conclusively state that the Earth is spherical. He knew from projections of shadows from various geometric figures that a shadow with a rounded edge (such as that of the Earth onto the Moon) could only be produced by a sphere (suck it, Flat-Earthers). Observations of solar eclipses revealing Bailey's Beads gave us our first indication that the Moon had mountains and valleys. Eclipses are important because of what we can learn about Earth and its neighbors right here in the comfort of Spaceship Earth.
All That is Now
The eclipse begins |
Our last glimpse of the Sun in eclipse 21 August 2017 |
After about a minute of darkness, it lightened up briefly. Then it started lightning and thundering and the skies opened up, pouring down rain. The deluge caused flash floods, water overtopped bridges and roads, and Mirror Lake reappeared at the National golf course. In a time lacking technological savvy, this event would have been recorded with wonder as a Wrath of God event.
Sometimes you use Plan 9
Clouds over St. Joseph, MO on eclipse day |
When morning broke, the view outside was dismal. Hardly a hint of blue in the sky. The eclipse weather was definitely going to suck. After checking around for weather, we decided to head to Parkville, which was just at the edge of the path of totality. We'd get about 60 seconds, but it was better than seeing nothing.
Here comes the Sun! You can't see a thing with eclipse glasses on! |
And All That is Gone
Start of lunar eclipse 27 September 2015 viewed in St. Joseph, MO |
On the night of 25 May 1975, I was sitting at a picnic table outside of our camper in Minnesota waiting for the moon to go into eclipse. I had found the dates of the eclipses that would be visible to me for the next few years, and was waiting for this one. This time it was my Dad that came outside and watched with me as the Moon was blotted out by the Earth's shadow and then became an intense, angry red as it passed through totality.
I cut class for the first time on 26 February 1979. The nefarious reason? To see the solar eclipse that was occurring that day. While St. Joseph, MO was not in the path of totality, we would be able to see the Sun eclipsed about 85%. The event did not generate a lot of buzz and our school administration held no viewing parties. I made my pinhole projector, asked to be excused to the library (which had windows facing the Sun) to do research for a paper, and sat through a few classes to watch as the light dimmed perceptively and then brightened up as the Moon slid over and past our view of the sun. I did research for a paper all right, just not the one that was currently assigned to me.
Crescent Sun peeking through the clouds |
I have observed close to 20 lunar eclipses and 6 solar eclipses. Each one is locked away in memory. I can close my eyes and see, hear and smell what that day or night was like. What I was looking forward to, what the last and next disappointment would be. This was my first real chance to see a total eclipse of the Sun, but the weather nicked me by 90 seconds and 10 miles. Better luck next time.
And All That's to Come
The next lunar eclipse will come soon - a total lunar eclipse will occur the morning of 21 January 2018 and the setting moon will be in total eclipse as viewed from northwest Missouri. The next North American solar eclipse will be an annular eclipse on 14 October 2023. The next Great North American Total Solar Eclipse will be on 08 April 2024. You will find me somewhere on the path from Dallas to Little Rock to Carbondale to Indianapolis to Cleveland to Niagara Falls (Niagara Falls? Slowly I turned....). Book your seats now, seven years is sooner than you think.
Great American Eclipse figure for 2024 |
NASA figure of solar eclipse configuration |
The force interactions between the Moon and Earth result in the Moon acting like a brake on the Earth. As the rotation of the Earth slows, the momentum change causes the Moon to slip a little bit further away. The rate of change in the Earth's daily rotation slows down by about 4 hours every billion years and the distance to the Moon increases by about 3.78 centimeters per year. In 1.2 billion years (give or take an hour), the Moon will be distant enough from us that its apparent size will always be smaller than that of the Sun - and eclipses will be a thing of the past, replace by transits of the Moon across the Sun's disc.
And Everything Under the Sun is in Tune
I'm being followed by a Moon shadow, Moon shadow, Moon shadow
But the Sun is Eclipsed by the Moon
This time I was armed with a DSLR camera, telephoto lens and eclipse filter, courtesy of Nadienne, Breena and Christian in all. Thanks to Randy for the film!
Composite view of Sun during eclipse 21 August 2017 |
And all that is now
And all that is gone
And all that's to come
And everything under the sun is in tune
But the sun is eclipsed by the moon.
Pink Floyd - "Eclipse"
Pink Floyd - "Eclipse"