Activity .1: Famous Astronomers

Name	Date of birth	Main thinking	Image
Albert Einstein	14th march 1879	Albert Einstein, his theory of special relativity, determined that the laws of physics are the same for all observers who do not accelerate, and demonstrated that the speed of light within the vacuum is the same regardless of the speed at which it travels An observer.
Isaac Newton	January 4, 1643	The theory elaborated by Isaac Newton affirms that this force of attraction, called gravity, is responsible for the fall of bodies on Earth and the large-scale movements observed in the Universe.
Nicholas Copernicus	February 19, 1473	Nicholas Copernicus was a polymath of the Renaissance era whose theory of the universe placed the Sun instead of the Earth at the center of the universe.
Edwin Hubble	20 November 1889	He also definitely demonstrated that the universe was expanding, and formulated what is now known as the Hubble Law to show that the other galaxies are moving away from the Milky Way at a speed directly proportional to their distance from it.
Carl Sagan	November 9, 1934	Carl Sagan was one of the most well-known scientists of the 1970s and 1980s. He studied extraterrestrial intelligence, advocated for nuclear disarmament and co-wrote and hosted 'Cosmos: A Personal Voyage