Astrophysics
Astrophysics is the field of science that combines astronomical observations with physical principles. It may be argued that the first true astrophysicist was Sir Isaac Newton, who explai...
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Astrophysics
Astrophysics in the 20th Century
Hubble's Discoveries:
Edwin Hubble (1889-1953) is a central figure in the development of observational cosmology. From 1922 to 1936 Hubble solved four...
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Astrophysics
