Answer:
Galileo galilei was an astronomer not a biologist.
Explanation:
Galileo galilei failed to discover a cell yet the one who invented a microscope because the Galileo galilei was an Italian scientist who contributes in the field astronomy and mathematics. He was not interested in biology so he was not able to discover the cell in the presence of microscope. Galileo galilei made many theories about the universe and make improvements in the structure of telescope which enables him to study the universe.
