[RadioAstronomer]

I remember reading somewhere that technically, the moon does not revolve around the earth, but the earth and moon revolve together around a common point. this point is close to but not exactly the rotational axis of the earth.

Correct. Here is a diagram showing this reationship:

http://baby.indstate.edu/gga/gga_cart/barycen1.gif

Look here for a more in depth discussion:

http://bex.nsstc.uah.edu/P341/Tides/tide-explanation.htm

[Military family member]

You posted this from an Indiana State site? Are from Terre Haute or ISU?

Just asking cause I am.