When a spacecraft is circling a planet or crusing amongst a set of moons, navigating between totally different orbits might be robust – however a trick from knot principle might assist. It may be used to determine factors known as heteroclinic connections, the place a craft can switch from one orbit to a different with out burning any of its valuable gas.
“These heteroclinic connections, a whole lot of the time we all know there are some for a pair of orbits, however…