Week 1
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Suggests that the universe is infinite
Steady State Theory
Steady State Theory was propsed by
Sir Fred Hoyle (1915-2001)
Steady State Theory was proposed in
1940s
Process of creating new atomic nuclei
Nucleosynthesis
Aims to explain the abundance of chemical elements and their isotopes in the universe through the fusion of lighter elements to form heavier ones
Nucleosynthesis theory
Suggests that the universe originated from a small, dense point without a bang or a sudden loud explosion
Big Bang Theory
Isaac Newton
1642-1727
Albert Einstein
1879-1955
Sir Arthur Stanley Eddington
1882-1944
Proposed the law of gravitation
Newton
Proved that gravity creates a distortion on the space-time continuum
Einstein and Eddington
First to propose the concept of the big bang
Georges Lamaitre (1894-1966)
Big bang was proposed in
1927
Provided evidence for a much larger universe through his sophisticated telescope in ——
Edwin Powell Hubble (1889-1953), 1929
When a galaxy is moving away from Earth, the wavelength of its light stretches and the galaxy appears to be red
Redshift phenomenon
Proposed that the abundance of hydrogen and helium atoms in the universe could be explained by a big bang event, in——
George Gamow (1904-19680 and Ralph Alpher(1921-2007), 1938
Suggested that the remnant heat from the big bang event can still be detected at present. In —-
Ralph Alpher, Robert Herman (1914-1997), 1949
——Accidentally discovered the remnant radiation from the big bang cosmology in ——, called——
Arno Allan Penzias(1993) and Robert Wilson(1936), 1965, cosmic microwave background (CMB)