Chaos Reigns At Pluto's Moons

Simulation of Pluto’s moon Nix sped up so that one orbit takes 2 seconds instead of 25 days. Wobbling and tumbling end-over-end like a badly thrown football, Pluto’s moons are in a state of orbital chaos, say scientists. Analysis of data from NASA's Hubble Space Telescope shows that two of Pluto's moons, Nix and Hydra, […]