Concept

Gravitational field

Overview

direction and intensity of gravity in every point of space

Overview adapted from Wikipedia (CC BY-SA 4.0; see the article history for authors).

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There can be no space nor any part of space without gravitational potentials; for these confer upon space its metrical qualities, without which it cannot be imagined at all. The existence of the gravitational field is inseparably bound up with the existence of space. On the other hand a part of space may very well be imagined without an electromagnetic field; thus in contrast with the gravitational field, the…
Albert Einstein, Sidelights on Relativity
Names Gravitational field several times; states what Gravitational field is.
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Hence Newton arrived at the view that the planets are attracted to the sun by a force, which is called gravitation.
Bertrand Russell, The A B C of Relativity
States what Gravitational field is.
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At the same time, the motion of a free point-mass in the new co-ordinates, will appear as curvilinear, and not uniform, in which the law of motion, will be _independent of the nature of the moving mass-points_. We can thus signify this motion as one under the influence of a gravitation field. We see that the appearance of a gravitation-field is connected with space-time variability of _g__{στ}’s.
Albert Einstein, The Principle of Relativity
Names Gravitational field.
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