Solar system exploration
Pre:1900 Galileo Galilei
He died on January 8th 1642
Galileo was an Italian physicist,mathematician,astronomer and also philosopher who changed science.
Galileo's main discovery expanded on Newton's theory of gravity and how objects moved on Earth.
Galileo imporoved the basic telescope.
He then went on to discover many moons and infomation about other planets.
Galileo's discoveries happend in his working time.
A telescope,and his inquiring mind.
Contributions to knowledge
He has changed science as we know it and has gave us great knowledge.
Post:1900 voyager 1& 2
Info on the voyagers
The objective was to resech the planetary systems of Jupiter and Saturn but it continued to resech ferther into space.
it took off on 1977.
the voyager used bosters to launch and toget out of our obit it also uses a giant radar dish to send information back to NASA.
the voyagers have discovered lots of thing e.g. moon.
voyager 1 entered intastella space.