gravitational interaction
Noun
Meaning
a weak interaction between particles that results from their mass; mediated by gravitons
Source: WordNetHypernyms
Examples
About a quarter of all galaxies are irregular, and the peculiar shapes of such galaxies may be the result of gravitational interaction.
Determining stellar masses Binary systems are particularly important here- because they are orbiting each other, their gravitational interaction can be studied by observing parameters of their orbit around each other and the centre of mass.
Becker, Becker, and Schwarz 2007, pp. 9–12 Studies of string theory have also yielded a number of results on the nature of black holes and the gravitational interaction.
Cavendish's aim was not actually to measure the gravitational constant, but rather to measure Earth's density relative to water, through the precise knowledge of the gravitational interaction.
The migration of this planet would likely require gravitational interaction with a second, higher-mass planet in a smaller orbit.
This idea, too, is a problematic condition for defining two bodies as "double planets" because planets can "capture" moons through gravitational interaction.