He didn't. Mars is visible to the naked eye; it has no single discoverer. It has been known sice ancient times, thousands of years before Galileo was born.
Planet Mars has never discovered anything!
Galileo did not discover Mars, mars has been known to exist since ancient times.
Galileo DID NOT discover Mars. Mars has always been visible from Earth to the unaided human eye and was known to and named by our ancient ancestors. Galileo is believed to be the first person to view Mars though a telescope in 1609.
NASA did not discover Mars. The planet has been known about for over 500 years. Being that it is visible from Earth, nobody is entirely sure who first discovered Mars, but it isknown that the first man to view Mars through a telescope was Galileo Galilei in 1609.
He didn't Galileo did in 1610.
the best planet in the solar system,MARS!!!!!!!!!!!!!!!!!!!!!!!!!!`
In the early 17th century
No. Mars can be seen with the naked eye and has been known since before there were written records. The only new solar system objects that Galileo discovered were the four largest moons of Jupiter.
Galileo Galilei was the first to discover this.
Mars has been known for thousands of ears that it is different than the stars and was first observed via telescope by Galileo in 1609.
It didn't - the planet Saturn was observed in ancient times, but Galileo was the first to view it through a telescope and discover its rings in 1610.
No. American astronomer Asaph Hall, working at the U.S. Naval Observatory, discovered them in August of 1877.