January 7th, 1610
Galileo Galilei observes the four largest moons of Jupiter for the first time. He named them and in turn the four are called the Galilean moons. event on January 07, 1610. Read about how to open files in Open File Database.
Events around January 07, 1610
| January 7th, 1610 | Event | Galileo Galilei observes the four largest moons of Jupiter for the first time. He named them and in turn the four are called the Galilean moons. |
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