Contour plot of the Earth-Moon Lagrange points. (Credit: NASA) Only the Moon’s L2 point currently has a number of spacecraft crowding about, with NASA’s THEMIS satellites going through their ...

known as the "General Three-Body Problem," captivated Lagrange's mind. Among these points, three teeter on the edge of instability - L1, L2, and L3 - aligned along the Sun-Earth axis. In contrast ...