
The Jovian ring system is faint and consists mainly of dust. It has four main components: a thick inner torus of particles known as the `halo ring`; a relatively bright, exceptionally thin `main ring`; and two wide, thick and faint outer `gossamer rings`, named for the moons of whose material they are composed: Amalthea and Thebe. The main a...
Found on
http://en.wikipedia.org/wiki/Transmigrants

Migrants passing through one country or region on their way to another.
Found on
http://www.movinghere.org.uk/help/glossary.htm
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