May 31, 2018.
My first attempt at star trails.
Not a fan.
Well I wouldn’t say I’m not a fan- just that I prefer for the stars to look as I see them- lightbulbs in the sky, not streaks over a time period (in this case, 3 hours). It’s really pretty, don’t get me wrong, but I just cant get myself to like it.
Oh well. Different strokes for different folks I guess.
The reason the stars form a circular trail, is because from our perspective (especially in the Northern hemisphere) the stars rotate around a common point, the North Star. Interestingly enough, as the North star is the only point in the sky that doesn’t move relative to us, ans so sailors and navigators of the past used to use it as a reference point to stay on course before compasses were invented.
What a brilliant idea. Kudos to astronomer of the times, they’ve really furthered progress quite dramatically.
I’d be a terrible sailor. The waves would constantly rock me to sleep.
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