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A magazine is a periodical publication containing a variety of articles, generally financed by advertising and/or purchase by readers.
Magazines are typically published weekly, biweekly, monthly, bimonthly or quarterly, with a date on the cover that is in advance of the date it is actually published. They are often printed in color on coated paper, and are bound with a soft cover.
Magazines fall into two broad categories: consumer magazines and business magazines. In practice, magazines are a subset of serials, periodicals and journals, distinct from those periodicals produced by scientific, artistic, academic or special interest publishers which are subscription-only, more expensive, narrowly limited in circulation, and often have little or no advertising.
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Cosmobrain Astronomy Bookstore - Online astronomical bookstore including over 500 selected titles divided by subject. Worldwide shipping. Safe shopping guarantee.
Meta Description: [ Astronomy Books. Buy Astronomy Books Now ! Big Discount Prices. Worldwide shipping. Large Catalog. Cosmobrain Astronomy and Astrophysics Resources. Astronomy Books divided by subject. ]
Kalmbach Publishing Co. - Publisher of Astronomy magazine and other astronomy products.
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Sky and Telescope - Publisher of an astronomy magazine and a variety of books, software, star atlases, observing guides and related products.
Meta Description: [ Sky & Telescope, the Essential Magazine of Astronomy. News, observing tips, how-to advice, and more! ]
Willmann-Bell, Inc. - Publishers and booksellers serving astronomers worldwide since 1973. On-line catalog and ordering.
Meta Description: [ Willmann-Bell, Inc. publishers and booksellers serving the Astronomy Community since 1973. ]
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