Thursday, May 13, 2010

Why does the Moon look so huge on the horizon?

Bad Astronomy answers Why does the Moon look so huge on the horizon? "So the Moon Illusion is just that. It’s not the air acting like a lens, or foreground objects making it look big by comparison. It’s just the way we see the shape of the sky together with the well-known Ponzo Illusion." There are some nice images on the page. I knew it was an optical illusion but I didn't know the details.

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