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Telescope Glossary

Can’t tell a Maksutov from a Newtonian?  In the dark about the difference between resolution and focal ratio?  This  glossary of optical terminology will help. Read more ›

Categories: Getting Started, Teachers and Students, Telescopes and Accessories

Bathroom-Tissue Universe

Next time you look at a roll of bathroom tissue, you, too, may be inspired to think about the universe. Read more ›

Categories: Teachers and Students
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