Jerry
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Welcome! (start here)
Cognitive Processes
Thinking
Philosophy
Ontology
Classification
Categories
Types
Types of Telescope
DIY Telescopes
Parents
Challenges for Kids
DIY (do it yourself)
Once-Expensive Gear That's Now Affordable
Types of Telescope
Children
Amateur Telescope Makers (ATMs)
Dobsonian Telescopes
Make a Galileoscope
that first telescope -- recommendations
Ultrascope
Why is this Space Telescope so Tiny?
Jumps
Amateur Astronomers
DIY Science