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Originally posted by TheWalkingFox
reply to post by CanadianDream420
It's an optical illusion. Seriously, the moon at its zenith in the sky is exactly the same size as the moon on the horizon. You can measure this with a ruler. There's nothing like "atmospheric magnification" or whatever, it's just your brain playing a trick on you. This is because of visual cues. When you are looking at the moon on the horizon, you are comparing it to other objects on the horizon - trees, hills, buildings, etc. THis makes the moon appear very large (because, well, the moon IS very large.) However, when it's overhead in the sky, you lack those cues.
If you had some point of reference when the moon is overhead, as distant from you as the horizon, the moon would suddenly look MASSIVE (it's actually a little larger when it's overhead, since when it's on hte horizon, you have the distance of hte earth between you and it, as well)
Originally posted by Neoony
i have noticed that many years ago, there was one night when it was so huge and orange/red
i have heard that its normal, something like optical illusion or something like that