NASA Finds Neptune Moons Locked in 'Dance of Avoidance' -- "Neptune Moon Dance: This animation illustrates how the odd orbits of Neptune's inner moons Naiad and Thalassa enable them to avoid each other as they race around the planet." [1600 x 877]

https://go.nasa.gov/2Oq6Td0 via /r/spaceporn http://bit.ly/2r43f0q