Uploaded September 2023 | Updated September 2026, 3 weeks ago

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We're back at the Royal Astronomical Society looking at some groundbreaking observations by Galileo. More links below ↓↓↓

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Some keywords: Galileo, Royal Astronomical Society, RAS, Sian Prosser, Starry Messanger, Sidereus Nuncius, Thomas Harriot, moon drawings, publish, copper plates, Jupiter, moons, Galilean satellites, sunspots, Saturn, rings, ears, un-cut pages,