How Knot Theory Can Help Spacecraft Can Change Orbits Without Using Fuel

Pretty interesting topic, would be interesting if it could be used to move satellites to a "parking orbit" once they run out of fuel. It's unclear just how much movement in an orbit that can be done, as it says it needs to be in the same energy level.

Source press release: https://www.surrey.ac.uk/news/new-technique-uses-knot-theory-create-tube-map-around-planets-and-moons

Source journal article: https://link.springer.com/article/10.1007/s42064-024-0201-0