We Americans can get awfully full of ourselves, especially on this, the most patriotic day of our year. Yes, three cheers for independence and freedom, and for fireworks and hot dogs on the bar-b-que. I do love all these things.
(Skip this paragraph if you’re as tired of righteous indignation as I am, but…) I won’t get into the fact that this country was occupied long before we came along, and that it’s been feeling a lot less free of late. I won’t rant about how the entire system is rigged for the 1 percent, and how we fight amongst ourselves rather than show that small percentage that by dint of sheer numbers, they shouldn’t be the powerful ones. And… blah, blah, blah.
Happy 4th of July.
But I did think that perhaps we might gain a little perspective by seeing that something else really amazing happened once upon a 4th of July. It’s something that most of us don’t even know about, but it was ever so much more spectacular than any fireworks display that we can put on.
I’m talking about SN1054.
Yeah, I know. That’s not a very gripping name. It doesn’t exactly trip off the tongue. But it certainly kicked some cosmic butt when it exploded.
According to Chinese astronomical records, July 4, 1054 was the first day that this supernova was observed from this planet. It was also recorded by the Japanese, and is found in a document from the Arab world as well. It may even be recorded in a pictograph by the Ancestral Puebloan people that is located in current day New Mexico. At a time when global communication didn’t exist, it seems that all eyes were focused skyward.
There was good reason for this. This supernova seems to have remained visible in the daytime sky for two weeks, and was still visible by the naked eye at night for two solid years before it finally faded. Can you imagine? Man, I’d have loved to have seen that!
And the best part about it is that even amateur astronomers can see the gorgeous remnants of this supernova today. It’s called the Crab Nebula. It’s in the constellation Taurus, and you can find a detailed description of how to spot it here, if you have access to a telescope. (Or you can cheat and use a star gazing app on your phone.)
The Crab Nebula is the first astronomical object that was ever identified with a historical supernova explosion, according to Wikipedia. That’s pretty impressive.
This gorgeous nebula is about 6,500 light years from us, and it’s estimated that the main star must have blown up about 7,500 years ago. But for me, at least, it will forever be associated with the 4th of July.
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