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Old 17-09-2018, 11:18 AM
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mr bruess
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Join Date: Feb 2011
Location: Liverpool NSW Australia
Posts: 284
A Choice of Catastrophes: The Disasters That Threaten Our World

A Choice of Catastrophes: The Disasters That Threaten Our World

excellent book by Isaac Asimov which talk about space disaters like death of the sun, black holes etc
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