The four moons of the planet Jupiter is called as the "Medicean Stars", it was actually named by Galileo when he discovered with his small telescope at those time.
Jupiter is the largest planet in our solar system, our planet earth has only one moon, but the planet Jupiter a confirmed 63 moons! Moons are the space bodies which are smaller than the planet and those which revolve around the planet due to the gravitational force of the planet.
History of the Medicean Stars: It was on 7 January 1610 when the legend Galileo noticed with his telescope what he explained then as “three fixed stars” which was some distance away from Jupiter. The next night he saw that the “fixed stars” had change places! On the 10th of January Galileo noted that one of them had disappeared, an examination which he recognized to its being hidden behind Jupiter. After which he came to a conclusion that they were not actual stars but instead are moons which were orbiting Jupiter!
It was noted in the History when Galileo discovered three of Jupiter’s four largest moons: and named them as Io, Europa, and Callisto. After some days he also discovered Ganymede.
Galileo named these four satellites he had discovered Medicean stars, in honour of the grands duke of Tuscany Cosimo II de’ Medici and Cosimo’s three brothers! Yea at that time it was like you had to gave the dumbs with powers importance so that your work is recognised!!
However later on now..scientist have renamed the Medicean Stars as Galilean satellites in honour of Galileo himself.
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