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Giovanni Cassini (1625-1712)
Aim: Separate the rings. Can you reattach them again?!
An Italian mathematician, astronomer and engineer, Cassini is best known for his work in the field of astronomy. He discovered that the planet Saturn was surrounded by a series of rings in addition to four moons. He moved to Paris in 1669, where he served as the astronomer to Louis XIV (the Sun King) for the rest of his life. Whilst in this post he was the first to determine the distance between Earth and Mars, which allowed estimations of the dimensions of the Solar System to be made.
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