Final answer:
Galileo Galilei created the telescope in 1609, leading to greater observation and confirming the heliocentric model of our solar system.
Step-by-step explanation:
Galileo Galilei created the telescope in 1609 that led to greater observation and confirmed the heliocentric model of our solar system. He used a simple tube with lenses to observe the sky and gather more light than his eyes alone could. His observations of the planets and the position of Earth revolutionized ideas about the nature of our solar system.f