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Edwin Powell Hubble

Hubble, Edwin Powell, 1889–1953, American astronomer, b. Marshfield, Mo. He did research (1914–17) at Yerkes Observatory, and joined (1919) the staff of Mt. Wilson Observatory, Pasadena, Calif., of…

Stephen Hawking

Stephen Hawking was the world's best-known theoretical physicist from the 1980s until his death in 2018 . He was an expert on black holes, and his stated intention was to unify quantum mechanics with…

Theories of the Universe: Action at a Distance

Action at a DistanceTheories of the UniverseThe Universe As a HologramAction at a DistanceQuantum PotentialThe Importance of WholenessOrdered RealityThe Holographic Universe This astounding bit of…

Mach's principle

(Encyclopedia) Mach's principleMach's principlemäks [key] [for E. Mach], assertion that the inertial effects of mass are not innate in a body, but arise from its relation to the totality of all other…

Science Websites

National Science Foundation: www.nsf.gov National Academy of Sciences: www.nas.edu American Association for the Advancement of Science: www.aaas.org Federation of American Scientists: www.fas.org…

quasar

(Encyclopedia) quasarquasarkwāˈsär [key], one of a class of blue celestial objects having the appearance of stars when viewed through a telescope and currently believed to be the most distant and…

dark energy

(Encyclopedia) dark energy, repulsive force that opposes the self-attraction of matter (see gravitation) and causes the expansion of the universe to accelerate. The search for dark energy was…

2000 National Medal of Science Recipients

Nancy C. Andreasen, Andrew H. Woods Chair of Psychiatry, University of Iowa College of Medicine, for her pivotal contributions to the social and behavioral sciences, through the integrative…