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Places where the moon reaches the zenith ?


Kakadush

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I hope i'm posting this question in the right place , i'm sorry if this has been asked before but i can't seem to find a clear answer to this question : 
Where and when on earth does the moon reach the zenith ? does it even happen ? 

Thank you ! 
Dan.

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Anywhere between latitude 28.5° N and 28.5° S: the earth's 23.5° tilt plus the 5° inclination of the moon's orbit. Between 18.5° N and 18.5° S the Moon will reach (very close to) the zenith every month, but as you go further from the equator you'll get longer and longer periods when the moon doesn't reach the zenith: at 28.5° latitude you'll get 18-year gaps.

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As the moon lies basically on the ecliptic then at any point on the earth where the ecliptic is possibly at the zenith. So that is at positions that lie between the 2 tropics as they define where the sun (ecliptic) can be overhead at the zenith.

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  • 2 weeks later...

Try searching for the "sub-lunar point" on http://www.skymarvels.com... That's what that point is called, where the Moon is exactly at the Zenith. Obviously Earth's rotation means it changes over minutes and hours. But that will give you it's exact location at any time.

EDIT: Here it is... I hope.

http://skymarvels.com/infopages/vids/Earth - Sub-lunar Point 001.htm

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