04_huygensLens

A 57 mm diameter lens, all that remains of the telescope Huygens used to observe Saturn. Around the edge is carved a verse from the Roman poet Ovid, “Admovere Oculis Distantia Sidera Nostris” (They brought the distant stars closer to our eyes). It is an anagram, establishing the details of Huygens’ discovery of Saturn’s moon, Titan. When translated, it reads “A moon revolves around Saturn in 16 days and 4 hours.” [Image: Utrecht Univ. Museum, from APOD]

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