Galileo Galilei telescope | Max-Planck-Gesellschaft
NOVA - Official Website | Galileo's Battle for the Heavens
Galileo 800mm X 72mm Refractor Telescope with Solar Filter Cap - Walmart.com
This Month in Physics History
From Galileo to the Great Observatories | NASA
When the Heavens Stopped Being Perfect - Nautilus
NASA - Telescope History
Galileo and his Telescope, the First Eyes to Look Deeply into Space | OpenMind
12 fascinating facts about Galileo Galilei | Astronomy.com
Galileo Galilei: 400 years of the first observations to the sky with telescopes | ServiAstro
Galileo's Telescope - The What, When and How
How Galileo changed the way we look at the Universe | BBC Sky at Night Magazine
Seeing the Skies Through Galileo's Eyes | Science | AAAS
How Galileo changed the way we look at the Universe | BBC Sky at Night Magazine
Stargazing with Early Astronomer Galileo Galilei - Sky & Telescope - Sky & Telescope
Galileo: Revealing the Universe | NEH-Edsitement
Galileo Galilei - Wikipedia
Telescope History: Sky High - Galileo to Gamma Cephei
Andrew Rader on Twitter: "Galileo didn't invent the telescope (the Dutch did), but he was the first to use it to look up and study the night sky. https://t.co/xzykVU7WeV" / Twitter