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The 60 pages that link to Newton's law of universal gravitation, each with the reason it gives.

• Celestial mechanicsRelated: It supplies the gravitational force used to calculate celestial trajectories.

• Johannes KeplerRelated: Newton later showed how gravity produces the orbital patterns Kepler described.

• GravityRelated: It gives the familiar approximation for gravitational attraction at low speeds and weak fields.

• Inverse-square lawRelated: Gravitational force between pointlike masses follows this distance dependence.

• Escape velocityRelated: It determines the gravitational field from which an object must escape.

• Gravitational accelerationRelated: It predicts the acceleration caused by a source mass.

• Two-body problemRelated: This is the force law that defines the classical gravitational problem.

• WeightRelated: It quantifies the attraction that produces weight in the Newtonian model.

• Gravitational fieldRelated: It gives the field produced by isolated masses in Newtonian gravity.

• HeliocentrismRelated: It explained planetary orbits as consequences of gravity rather than geometric devices.

• Stellar massRelated: Its gravitational force underlies dynamical estimates of stellar mass.

• Edmond HalleyRelated: Halley used Newtonian gravity to calculate the comet’s path and estimate its return.

• Gravitational constantRelated: G sets the force scale in this inverse-square relation.

• Gravitational forceRelated: It gives the classical quantitative rule for gravitational attraction between two masses.

• Vis-viva equationRelated: Its inverse-square force law underlies the ideal orbit described by the equation.

• Mercury's perihelion precessionRelated: Newtonian gravity explains the baseline orbit and most perturbative contributions.

• Apollonius of PergaRelated: Newtonian gravity explains why ideal two-body orbits are conic sections.

• Cavendish experimentRelated: Cavendish’s measurements tested the law’s prediction for attraction between nearby masses.

• OrbitRelated: It supplies the force that bends a moving object into an orbit.

• Gravitational parameterRelated: Replacing G times a body's mass with μ simplifies the force on a smaller test body.

• Gravity modelRelated: The place-size-over-distance analogy takes its name and basic form from this law.

• Kepler's third lawRelated: Combining gravity with orbital motion derives the period–semimajor-axis relation.

• Earth's gravity fieldRelated: It describes the gravitational attraction whose combined effects create Earth's field.

• Earth's massRelated: Earth's gravitational pull supplies the force used to infer its mass.

• Newton's first lawRelated: It supplies a specific force that can interrupt the force-free motion described by the first law.

• Physical constantRelated: Its gravitational constant entered physics through the quantitative formulation of gravity.

• Planetary massRelated: Planetary mass sets the strength of a planet’s gravitational attraction.

• Planetary orbitRelated: It supplies the force that continually bends a planet’s path around its star.

• Central forceRelated: A point mass's gravitational field is a central inverse-square force.

• Solar massRelated: It connects the Sun’s gravitational influence to its measured mass.

• Urbain Le VerrierRelated: The hypothesized planet’s gravitational pull supplied the missing force in Uranus’s orbit.

• Gravity of EarthRelated: It quantifies the attraction between Earth and an object outside or near its surface.

• Kepler's second lawRelated: Newtonian gravity explains why planetary motion about the Sun obeys the area rule.

• Kepler orbitRelated: This inverse-square force generates the conic trajectories that define Kepler orbits.

• Kepler's first lawRelated: Newtonian gravity explains why a planet’s orbit takes a conic-section shape.

• Titius–Bode lawRelated: It governs planetary orbits without predicting the Titius–Bode sequence.

• Schiehallion experimentRelated: The calculation used Newtonian gravity to relate the mountain’s attraction to its mass.

• Astronomical system of unitsRelated: The unit system is chosen to make gravitational equations useful at solar-system scales.

• Location of EarthRelated: It explains the gravitational force that keeps Earth bound to the Sun.