Well, Some of the astronomical things that he observed are:
the phases of Venus.
the craters on the Moon
.Jupiter's orbiting moons
Galileo's full name was Galileo di Vincenzo Bonaiuti de' Galilei.
Galileo Galilei
no it was Galileo di vincenzo bonaiuti de' galilei.
it is Galileo di Vincenzo Bonaiuto de' Galilei
His achievements include improvements to the telescope and consequent astronomical observations and support for Copernicanism.
Galileo Galilei
Galileo Galilei
Galileo's full name was Galileo di Vincenzo Bonaiuti de' Galilei.
Galileo Galilei
no it was Galileo di vincenzo bonaiuti de' galilei.
There is no difference Galilei is Galileo's last name.
galileo galilei and galileo are the same person (that doesn't make sense.)
it is Galileo di Vincenzo Bonaiuto de' Galilei
Galileo di Vincenzo Bonaiuti de' Galilei.
Galileo Galilei
His achievements include improvements to the telescope and consequent astronomical observations and support for Copernicanism.
Galileo Galilei was born in Pisa, Italy.