acceleration due to gravity
advance of perihelion
antigravity

barycenter
black hole

center of gravity
Chandrasekhar limit
cosmological model

dark energy
dark matter
differential geometry

Einstein, Albert (1879–1955)
equipotential surface
equivalence principle

Galileo Galilei (1564–1642)
general theory of relativity
geodesic
gravimeter
gravitational collapse
gravitational constant
gravitational instability
gravitational lens
gravitational lock
gravitational waves
graviton
gravity
gravity assist
gravity gradient
Gravity Probe A
Gravity Probe B

Hulse-Taylor Pulsar (PSR 1913+16)
holographic hypothesis

infall velocity

Jean's length

Kerr black hole
Klemplerer Rosette

Lagrangian point
LISA (Laser Interferometer Space Antenna)

mass
metric
microlensing

Newton, Isaac (1642–1727)
Newton's law of gravity
Newton's orbital cannon
non-Euclidean geometry

Oppenheimer-Volkoff limit

Pioneer anomaly

quantum gravity

Reissner-Nordstrom black hole
Roche limit

Schwarzschild black hole
spacetime

three-body problem
tidal force
tide
two-body problem

virial theorem

weight
weightlessness