Ecco come in una notte di fine luglio del 1610, Galileo Galilei scoprì gli anelli di Saturno - AstroSpace
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Liberty Science Center :: It's been 409 years since the rings of Saturn were discovered!
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OTD in Space – July 30: Galileo Sees Saturn's Rings for the First Time - YouTube
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Stephen Walker on Twitter: "And here's #Galileo's drawing of Saturn in 1610 - through his telescope he thought he was looking at three planets but what he was actually looking at was
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