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Quotation from Galileo: The Starry Messenger, Letter to the Grand Duchess Christina, and Two New Sciences (First Day) by Galileo Galilei
“the Moon certainly does not possess a smooth and polished surface, but one rough and uneven, and, just like the face of the Earth itself, is everywhere full of vast protuberances, deep chasms, and sinuosities.”
Galileo: The Starry Messenger, Letter to the Grand Duchess Christina, and Two New Sciences (First Day), The Starry Messenger, opening account of the observations, trans. Edward Stafford Carlos (1880)
Galileo announces his first great result: the Moon is not a perfect celestial sphere but an earthlike world.
Citation: "the Moon certainly does not possess a smooth and polished surface, but one rough and uneven, and, just like the face of the Earth itself, is everywhere full of vast protuberances, deep chasms, and sinuosities." — Galileo Galilei, Galileo: The Starry Messenger, Letter to the Grand Duchess Christina, and Two New Sciences (First Day), The Starry Messenger, opening account of the observations, trans. Edward Stafford Carlos (1880). (id galileo-selected-writings-q1)
Portrait: Galileo.arp.300pix, Justus Sustermans, Public domain.
