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How the James Webb Space Telescope Orbits Nothing

posted by Jason Kottke   Feb 07, 2022

The James Webb Space Telescope is designed to be positioned near one of the five Lagrange Points in the Sun/Earth system, special areas of gravitational equilibrium that keep objects stationary relative to both the Earth and the Sun. Here’s how Lagrange Points work and why they are so useful for spacecraft like the Webb.

See also What Makes Lagrange Points Special Locations In Space.