Search Results for: big bang

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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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. “There was a young fellow from Trinity,…
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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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Carl Sagan’s Cosmos

Carl Sagan’s Cosmos

On November 9, 1934, American astronomer, astrophysicist, cosmologist, and successful author Carl Sagan was born. Carl Sagan is known for his popular science books and for the award-winning 1980 television series Cosmos: A Personal Voyage, which he narrated and co-wrote. “In science it often happens that scientists say, “You know that’s a really good argument; my position is mistaken,” and then they would actually change their minds and you never hear that…
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CERN and its Brilliant Minds

CERN and its Brilliant Minds

On June 10, 1955, the laying of the foundation stone of the European Organization for Nuclear Research Laboratory (CERN) was performed by Felix Bloch, the organization‘s first President. Since 1955, numerous essential experiments were executed, leading to significant contributions in the world of physics and to our daily lives. Physics Research in Europe The name CERN is originally derived from the French acronym ‘Conceil Europeén pour la Recherche Nucléaire’. In 1952, a…
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Steven Weinberg and the Great Unifying Theory

Steven Weinberg and the Great Unifying Theory

On May 3, 1933, American theoretical physicist and Nobel laureate Steven Weinberg was born. His research on elementary particles and cosmology has been honored with numerous prizes and awards including the Nobel Prize in Physics, which he received in 1979 together with his colleagues Abdus Salam and Sheldon Glashow for the unification of the weak force and electromagnetic interaction between elementary particle. “Elementary particles are terribly boring, which is one reason why…
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Tycho Brahe – The Man with the Golden Nose

Tycho Brahe – The Man with the Golden Nose

On December 14, 1546, Danish nobleman and astronomer Tycho Brahe, known for his accurate and comprehensive astronomical and planetary observations was born. “Non haberi, sed esse.” “Not shine, but be.” – Tycho Brahe’s Election slogan Background Tycho Brahe was born at Knutstorp Castle, Scania, at that time Denmark, into a politically powerful family of noblemen and political advisors. He grew up with his uncle, also a nobleman, who supplied his nephew with a…
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Christian Doppler and the Doppler Effect

Christian Doppler and the Doppler Effect

On November 29, 1803, Christian Johann Doppler, Austrian Physicist and mathematician was born in Salzburg. Doppler is widely known for his principle, the Doppler effect, that the observed frequency of a wave depends on the relative speed of the source and the observer. He used this concept to explain the color of binary stars. “There have been applied sciences throughout the ages. … However this so-called practice was not much more than paper…
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Jocelyn Bell Burnell and the Discovery of Pulsars

Jocelyn Bell Burnell and the Discovery of Pulsars

On November 28, 1967, Jocelyn Bell Burnell and Anthony Hewish discovered the first Pulsar, a fast rotating neutron star that emits a beam of electromagnetic radiation. The radiation of a pulsar can only be observed when the beam of emission is pointing toward the Earth, much the way a lighthouse can only be seen when the light is pointed in the direction of an observer, and is responsible for the pulsed appearance…
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