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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.
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]
Schwarzschild's 1958 book Structure and Evolution of the Stars [8] taught a generation of astrophysicists how to apply electronic computers to the computation of stellar models. In the 1950s and ’60s he headed the Stratoscope projects, which took instrumented balloons to unprecedented heights.
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 ...
In the 1928 book The Nature of the Physical World, which helped to popularize the concept, Eddington stated: . Let us draw an arrow arbitrarily. If as we follow the arrow we find more and more of the random element in the state of the world, then the arrow is pointing towards the future; if the random element decreases the arrow points towards the past.
This article is a list of notable unsolved problems in astronomy.Problems may be theoretical or experimental. Theoretical problems result from inability of current theories to explain observed phenomena or experimental results.
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.