The telescope and its various improvements
The telescope.
The development of the telescope in the 17th century allowed astronomers to observe planets beyond those visible to the naked eye. This led to the discovery of Uranus in 1781, Neptune in 1846, and Pluto in 1930, expanding the known planets beyond the original five visible to ancient civilizations.
Kepler showed that the orbits of the planets are elliptical, with the Sun at one of the focal points. This discovery led to his laws of planetary motion, which describe how planets move in their orbits.
The wording of this question needs to be improved to understand what you mean.
more immigration from Europe.
more Immigration from Europe.
He said that sun was the center of the universe and that the earth and all the other planets orbit around it.
Galileo held a pendulum up to his heart and timed the beats. This is what led to the discovery of measuring small amounts of time more accurately.
Galileo held a pendulum up to his heart and timed the beats. This is what led to the discovery of measuring small amounts of time more accurately.
Galileo held a pendulum up to his heart and timed the beats. This is what led to the discovery of measuring small amounts of time more accurately.
Galileo held a pendulum up to his heart and timed the beats. This is what led to the discovery of measuring small amounts of time more accurately.
Galileo held a pendulum up to his heart and timed the beats. This is what led to the discovery of measuring small amounts of time more accurately.