1 sept. 1610 - First telescope. Attempt to observe phases of Mars.
Description:
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.Ajouté au bande de temps:
Date:
1 sept. 1610
Maintenaint
~ Il y a 414 ans
