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Document Type

Article

Abstract

In this day of the Space Age, everyone knows that the earth is round. One merely has to look at a photograph taken from either the moon or an orbiting space satellite to prove the point. But suppose that you do not have a photograph handy or suppose that your viewer refuses to believe that the photo is real. Of course it is rather unlikely that the latter event would occur, but without such a visual aid how would you prove that the earth is round?

Publication Date

April 1982

Journal Title

Iowa Science Teachers Journal

Volume

19

Issue

1

First Page

31

Last Page

33

Copyright

© Copyright 1982 by the Iowa Academy of Science

Language

en

File Format

application/pdf

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