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Originally posted by cloudbreak
Nablator – thanks for the links and info. But as you suggest, I think an eclipse is just out of the question. I would think an eclipse would cause everywhere to go in a shadow, and not create a relatively small, definable, localized shadow; not to mention the speed of it.
If it could be assumed that the distance to the horizon at my rough eye-level was about 5 miles, and again roughly, the shadow travelled this distance to the horizon before disappearing in say 1 second (and with 3600 seconds in an hour) then a very, very rough speed of the object that caused the shadow comes to 18,000 miles an hour. Mathematics is not my strong suite so I may be mistaken.
But I looked it up – comets travel as fast as 150,000 mph, and the slowest asteroid travels at 25,000 mph. Given my unscientific take on the speed of the shadow, it is almost plausible the speed of the shadow may have been similar to a slow moving asteroid.
But I am not comfortable with this explanation at all, as again, for something to make a shadow on the ground of the size we saw, it surely would have to be closer to earth, as opposed to closer to the sun.