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Practical astronomy
por
An good explanation of how stars are charted for those unfamiliar with charts, maps or astronomy. It walks you through simple experiments with tools like a protractor and plastic pipe. Easy to understand.
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the long version
An good explanation of how stars are charted for those unfamiliar with charts, maps or astronomy. It walks you through simple experiments with tools like a protractor and plastic pipe. Easy to understand.
Margaret's verdict
"An good explanation of how stars are charted for those unfamiliar with charts, maps or astronomy. It walks you through simple experiments with tools like a protractor and plastic pipe. …"
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