Galileo's first telescope (feb 15, 1564 – jan 8, 1642)
Description:
Was first mastered by Galileo in 1609. perspicillum was the first term for the instrument. Galileo lived from 1564-1642. The discovery of the telescope played an importnat role in understanding Earth and the cosmos.Added to timeline:
Date:
feb 15, 1564
jan 8, 1642
~ 77 years