Titlebook: A Buyer‘s and User‘s Guide to Astronomical Telescopes and Binoculars; James Mullaney Book 2014Latest edition Springer Science+Business Med

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The Minerals, Metals & Materials Seriesot be looked upon as yet more gadgets to add to our collection of modern technical possessions. Rightly viewed, they are truly magical instruments, for they are literally “spaceships of the mind,” “time machines,” and “windows on creation” that allow their users to roam the universe in what is surely the next best thing to actually being there!

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https://doi.org/10.1007/978-1-4614-8733-3Amateur Astronomer Contributions to Science; Astronomical Binoculars; Astronomical Instruments; Celesti

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Bowen Li,Shefford P. Baker,Ruigang Wangy much less expensive, and also are ultra-portable and always ready for immediate use, but they can provide views of the heavens unmatched by any telescope! This results primarily from their wonderfully wide fields of view—typically 5° or 6° (10- to 12 full-Moon diameters!) of sky in extent compared

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