Buy the Galileo CC-2 Refractor Telescope with Tripod | GoodwillFinds
This Month in Physics History
Galileo and the Telescope | Modeling the Cosmos | Articles and Essays | Finding Our Place in the Cosmos: From Galileo to Sagan and Beyond | Digital Collections | Library of Congress
Galileo Galilei near his telescope - Luisa Fumi Digital Art - Gameover's Atelier
Galileo's telescopes: Facing the facts | History Today