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Virginia Louise Trimble (born November 15, 1943) is an American astronomer specializing in the structure and evolution of stars and galaxies, and the history of astronomy. [2] She has published more than 600 works in Astrophysics, [ 3 ] and dozens of other works in the history of other sciences.
[2] [3] The discovery (by chance in 1965) of the cosmic background radiation suggests that the early universe was dominated by a radiation field, a field of extremely high temperature and pressure. [4] There is background radiation observed across all wavelength regimes, peaking in microwave, but also notable in infrared and X-ray regimes.
5th century BC – Democritus proposes that the bright band in the night sky known as the Milky Way might consist of stars. 4th century BC – Aristotle believes the Milky Way to be caused by "the ignition of the fiery exhalation of some stars which were large, numerous and close together" and that the "ignition takes place in the upper part of the atmosphere, in the region of the world which ...
Abraham "Avi" Loeb (Hebrew: אברהם (אבי) לייב; born February 26, 1962) is an Israeli and American theoretical physicist who works on astrophysics and cosmology.. Loeb is the Frank B. Baird Jr. Professor of Science at Harvard University, where since 2007 he has been Director of the Institute for Theory and Computation at the Center for Astrophysi
The subdisciplines of theoretical astrophysics are: Compact objects – this subdiscipline studies very dense matter in white dwarfs and neutron stars and their effects on environments including accretion. Physical cosmology – origin and evolution of the universe as a whole. The study of cosmology is theoretical astrophysics at its largest scale.
Hugh Norman Ross (born July 24, 1945) is a Canadian astrophysicist, Christian apologist, and old-Earth creationist.. Ross obtained his Ph.D. in astronomy from the University of Toronto [1] [2] [3] and his B.Sc. degree in physics from the University of British Columbia. [4]
Astrophysics is a science that employs the methods and principles of physics and chemistry in the study of astronomical objects and phenomena. [1] [2] As one of the founders of the discipline, James Keeler, said, astrophysics "seeks to ascertain the nature of the heavenly bodies, rather than their positions or motions in space—what they are, rather than where they are", [3] which is studied ...
John R. Gribbin (born 19 March 1946) [1] is a British science writer, an astrophysicist, and a visiting fellow in astronomy at the University of Sussex. [2] His writings include quantum physics, human evolution, climate change, global warming, the origins of the universe, and biographies of famous scientists. He also writes science fiction.