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The prototypical scalar theory of gravitation is Newtonian gravitation. In this theory, the gravitational interaction is completely described by the potential , which is required to satisfy the Poisson equation (with the mass density acting as the source of the field). To wit: , where. G is the gravitational constant and. ρ {\displaystyle \rho }
The first episode of The Science Fiction Radio Show aired on KOCV-FM in June 1980. For the first few months, the show consisted of thirty-minute presentations which aired Saturdays. Employing selections from author interviews, these shows focused on such staple science fiction themes as time travel or robots, or subgenres like Space Opera or ...
Paul Frees, William Conrad. Original release. July 7, 1947 –. September 25, 1954. No. of episodes. 228. Escape is an American radio drama. It was radio's leading anthology series of high-adventure radio dramas, airing on CBS from July 7, 1947 to September 25, 1954.
In physics, theories of gravitation postulate mechanisms of interaction governing the movements of bodies with mass. There have been numerous theories of gravitation since ancient times. The first extant sources discussing such theories are found in ancient Greek philosophy. This work was furthered through the Middle Ages by Indian, Islamic ...
X Minus One is an American half-hour science fiction radio drama series that was broadcast from April 24, 1955, to January 9, 1958, in various timeslots on NBC.Known for high production values in adapting stories from the leading American authors of the era, X Minus One has been described as one of the finest offerings of American radio drama and one of the best science fiction series in any ...
Mechanical explanations of gravitation. Mechanical explanations of gravitation (or kinetic theories of gravitation) are attempts to explain the action of gravity by aid of basic mechanical processes, such as pressure forces caused by pushes, without the use of any action at a distance. These theories were developed from the 16th until the 19th ...
t. e. Newton's law of universal gravitation says that every particle attracts every other particle in the universe with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between their centers. Separated objects attract and are attracted as if all their mass were concentrated at ...
Gravitation is a widely adopted textbook on Albert Einstein 's general theory of relativity, written by Charles W. Misner, Kip S. Thorne, and John Archibald Wheeler. It was originally published by W. H. Freeman and Company in 1973 and reprinted by Princeton University Press in 2017. It is frequently abbreviated MTW (for its authors' last names).