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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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Royalist

... of a monarch or royal family. Of the more specific uses of the term, the most common include: 1. A supporter of King Charles I of England during the English Civil ...