George Lemaître

The Universe goes beyond the Milky Way – thanks to Edwin Hubble

The Universe goes beyond the Milky Way – thanks to Edwin Hubble

On November 20, 1889, American astronomer Edwin Hubble was born. He is best known for his role in establishing the field of extragalactic astronomy and is generally regarded as one of the most important observational cosmologists of the 20th century. “Equipped with his five senses, man explores the universe around him and calls the adventure Science.” – Edwin Hubble (1929) Edwin Hubble – Early Years Although Edwin Hubble earned pretty good grades in…
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Georges Lemaître and the Origins of the Big Bang Theory

Georges Lemaître and the Origins of the Big Bang Theory

On June 20, 1966, Belgian priest, astronomer and professor of physics Georges Lemaître passed away. He was the first person to propose the theory of the expansion of the Universe, widely misattributed to Edwin Hubble, and is best known for his proposal of what became known as the Big Bang theory of the origin of the Universe. “We want a fireworks theory of evolution. The last two thousand million years are slow…
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Sir Fred Hoyle – How Big Bang Theory’s Most Eager Opponent was Responsible for its Popularity

Sir Fred Hoyle – How Big Bang Theory’s Most Eager Opponent was Responsible for its Popularity

On August 20, 2001, famous astronomer, mathematician, and author Sir Fred Hoyle passed away. The scientist was the first to coin the term “Big Bang” for the now prevailing theory of the early development of the universe in 1949, even though he happened to be a strong opponent of this theory. “We now come to the question of applying the observational tests to earlier theories. These theories were based on the hypothesis that all…
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Alexander Friedmann and the Expanding Universe

Alexander Friedmann and the Expanding Universe

On June 16, 1888, Russian mathematician and physicist Alexander Friedmann was born. Friedmann is best known for his pioneering theory that the universe was expanding, governed by a set of equations he developed now known as the Friedmann equations. The Youth of a Mathematician Alexander Friedmann was born to the composer and ballet dancer Alexander Friedmann and the pianist Ludmila Ignatievna Voyachek. However the parents divorced when Alexander was nine years old,…
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George Gamow and his fundamental Views on the Foundations of Science

George Gamow and his fundamental Views on the Foundations of Science

On March 4, 1904, theoretical physicist and cosmologist George Gamow was born. He was an early advocate and developer of George Lemaître’s Big Bang theory. Besides his contributions to physics, in his middle and late career, Gamow focused more on teaching, and became well known as an author of popular books on science, which are still in print more than 50 years after their publication. Gamow was born in Odessa, Russian Empire…
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