1 sett 1610 anni - First telescope. Attempt to observe phases of Mars.
Descrizione:
The Italian scientist Galileo Galilei was the first person known to use a telescope to make astronomical observations. He began observing Mars through a telescope and set the goal of seeing if Mars exhibited phases of partial darkness similar to Venus or the Moon.Aggiunto al nastro di tempo:
Data:
1 sett 1610 anni
Adesso
~ 414 years ago
