1 sept 1610 año - First telescope. Attempt to observe phases of Mars.
Descripción:
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.Añadido al timeline:
fecha:
1 sept 1610 año
Ahora mismo
~ 413 years ago
