In this lab exercise you will be following the methods of the Ancients (Greek
Astronomers of Alexandria) to determine the sizes of the Earth, Moon and
Sun and also the distances between them. Most of these measurements were
quite difficult for the ancient astronomers to carry out and although you
will be following their methods you will be using better observations than
were available to them. In fact, you will see that the simple model which
the Ancients had of the Sun-Earth-Moon system allows quite accurate determination of distances when good observations are used.
The steps to follow:
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Last update: Apr.7,1998
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