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Excerpt: ...goes on in regular order. And even in our own times, have we not seen the people terrified at the sight of a flaming comet? Has not the end of the world by the agency of comets been often enough predicted? These predictions are so to speak periodic; they crop up each time that the return of these cosmical formations is announced by the astronomers, and always meet with a certain number of timid souls who are troubled as to our destinies. Pg 181 To-day we know that these wanderers are subject to the general laws ...

Astronomy for Amateurs 2015, Createspace Independent Publishing Platform

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Astronomy for Amateurs 2015, Palala Press

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Astronomy for Amateurs 2015, Createspace Independent Publishing Platform

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Astronomy for Amateurs 2015, Createspace

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Astronomy for Amateurs 2015, Createspace

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Astronomy for Amateurs 2012, Tredition Classics

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Astronomy for Amateurs 2010, Nabu Press, Charleston SC

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Astronomy for Amateurs 2008, Averill Press

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