... How big are the Lagrangian points? I hear of telescopes orbiting at a certain Lagrangian point, but for these crafts to not interfere with one another, aren't these points more like "Lagrangian areas"? ... RELATED TOPICS: LAGRANGIAN POINTS . ... When you hear about a spacecraft orbiting at a certain Lagrangian point, it really means the probe is traveling within or near one of these extended, three-dimensional islands of orbits. ... Get instant access to subscriber content on Astronomy.com! ...