Gravitational forces arising because gravitational pull varies across a body's extent. On Earth, the Moon and Sun cause ocean tides. Near black holes, extreme tidal forces stretch objects in spaghettification.
The different appearances of the Moon over a synodic month (about 29.5 days). The eight phases are new moon, waxing cres...
The curved path of a celestial object around a star, planet, or moon under gravity's influence. Orbits can be circular, ...
A region of spacetime where gravity is so strong that nothing, not even light, can escape once past the event horizon. B...
Dive deeper into tidal forces and related concepts on Cosmos Observatory.