Wednesday, June 10, 2009

The phenomenon of anticrepuscular rays at Walmart, and a cheap photo of it

Anticrepuscular rays
Looking east, opposite the sunset in the west, anticrepuscular rays appear to come out of nowhere. For a better photo and more about the phenomenon, see this NASA page.


For some reason, I never pay attention to the sunset when it's actually good. On Tuesday night, I was inside Walmart buying Listerine and bananas when all the action outside was taking place.

After I was done my shopping, the sky was absolutely glowing on the other side of the superstore. The sun was setting behind a massive electrically charged cloud, its rays shooting outward and through a wide swath of the atmosphere. (I didn't actually notice there was lightning until about 10 minutes later.)

Unfortunately, I wasn't in a position to get a photo of the setting sun. The buildings were blocking most of it.

What I did think was interesting, however, were the anticrepuscular rays, or beams of light that appeared to be emanating from the east, opposite the sunset. I just don't often see this optical illusion, which is caused by our spherical planet, probably because I don't see often sunsets. So, I honestly can't say how often this occurs during Florida sunsets or sunrises.

The job could have used a tripod, but I feared persecution from the locals in the Walmart parking lot. Still, I thought I needed to document this.

1 comment:

  1. Awesome. I don't think I've ever seen that either.

    ReplyDelete

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