Concept
Lagrange Points
Five spots where gravity and orbital motion balance.
Five equilibrium points in a two-body system. L1, L2, L3 are unstable; L4 and L5 are stable and host Trojan asteroids and useful telescope orbits.
Overview
Five equilibrium points in a two-body system. L1, L2, L3 are unstable; L4 and L5 are stable and host Trojan asteroids and useful telescope orbits.
See also
Black Holes
Regions where gravity stops light itself.
The Habitable Zone
Where liquid water can exist on a planet's surface.
Termination Shock
Where the solar wind slows from supersonic to subsonic.
Milankovitch Cycles
Slow orbital changes that drive Earth's ice ages.
Hill Sphere
The volume in which a body's gravity dominates.
Photon Sphere
Where light itself can orbit a black hole.