How did Newton find the distance from the earth to its moon?

Subject: How did Newton find the distance from the earth to its moon?

Date: Tue Nov 24 18:28:48 1998
Posted by Christina Otto
Grade level: 10-12
School: High School
City: Phillips State/Province: WI
Country: USA
Area of science: Astronomy
ID: 911953728.As

Message:


In my physics book, it is mentioned that Newton knew the distance
from the earth to the moon and used this value in testing the law 
of universal gravitation.  How did he come up with this distance 
(mathematically) and if he didn't, who did and how?

Thanks.

Re: How did Newton find the distance from the earth to its moon?

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