Jerry
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Thinking
Philosophy
Ontology
Classification
Categories
Types
Types of Science
Citizen Science
Operation Moonwatch
Attachments
Operation Moonwatch - Wikipedia
Parents
Amateur Astronomers
Citizen Science
Children
connecting the titanic, sputnik and dealing with forgetfulness
Fred Whipple
Jumps
Sputnik (1957 "fellow traveler," the Russian satellite 1957)