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Protoplanetary disc

A protoplanetary disc (proplyd) is a disc of dust and gas which orbits a protostar, within a solar nebula. Such discs eventually condense into either asteroid belts, moons, or planets.

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Northwest Harbor, New York

... and 818 families residing in the town. The population density is 81.3/km² (210.6/mi²). There are 3,008 housing units at an average density of 80.0/km² ...