Why does the Moon look bigger when it is at a low angle?

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Offline Pumblechook

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Why does the Moon look bigger when it is at a low angle?

I was on the M6 near Brum some weeks back at about midnight and the Moon looked enormous.

Is it the Ponzo illusion?  There was a lot of large well lit buildings in view also. 

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Offline lightarrow

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Why does the Moon look bigger when it is at a low angle?
« Reply #1 on: 17/07/2009 11:57:20 »
Why does the Moon look bigger when it is at a low angle?

I was on the M6 near Brum some weeks back at about midnight and the Moon looked enormous.

Is it the Ponzo illusion?  There was a lot of large well lit buildings in view also. 
http://www.thenakedscientists.com/forum/index.php?topic=6164.0