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Prepare for the next eclipse with this set of flashcards that features 34 key terms, concepts, and facts relating to solar eclipses. Each card features a different eclipse term or concept and is represented with detailed diagrams and stunning photos. Terms and concepts such as angular diameter, apogee, Baily’s beads, penumbra, Saros cycle, and more are included. The set includes 34 full-color 4-inch-by-6-inch cards.