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Topic: Naiad

NASA research shows Neptune Moons orbits connected to avoid each other

 

NASA - National Aeronautics and Space AdministrationPasadena, CA – NASA says even by the wild standards of the outer solar system, the strange orbits that carry Neptune’s two innermost moons are unprecedented, according to newly published research.

Orbital dynamics experts are calling it a “dance of avoidance” performed by the tiny moons Naiad and Thalassa. The two are true partners, orbiting only about 1,150 miles (1,850 kilometers) apart. But they never get that close to each other; Naiad’s orbit is tilted and perfectly timed. Every time it passes the slower-moving Thalassa, the two are about 2,200 miles (3,540 kilometers) apart.

Neptune Moon Dance: This photo 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. (NASA)

Neptune Moon Dance: This photo 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. (NASA)

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