Galileo was the first one to construct a telescope that could magnify up to thirty times and by using his invention, he was able to study the attributes of separate heavenly that made him one of the most important scientists to contribute a lot in the field of astronomy.
Galileo discovered many things using his telescope. He discovered the uneven surface of the moon. He discovered that the universe is made up of stars. He was the one who discovered the planet Jupiter's four moons, the planet Saturn's oval shape, and the planet Venus' phases. His discoveries were proof to retain the Copernican system. He was also the one who discovered the sunspots which are dark patches on the sun.
Telescope
In mechanics, Galileo originated the law of falling bodies and opposed that of Aristotle's principle which states that when two objects of separate masses are dropped from the same height at the same time, the one which is heavier will hit the ground first. For Galileo, falling bodies will have the same or uniform acceleration when it is influenced with gravity only. The speed of falling bodies also does not depend on its weight and size. When two objects are dropped from the same height and at the same time and one object hits the ground first, this is due to air resistance or resistance caused by the medium that the objects are falling through.
Galileo's law of falling bodies states that "The distance travelled by a falling body is directly proportional to the square of the time it took to travel." He is also connected with Newton's law of inertia when he stated that "A body that is inviting on a level surface will continue to move in the same direction with constant speed unless it is disturbed."
The Works of the Scientist Galileo GalileiMy Links : Picture frame
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