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Protoplanetary disc

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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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French resistance

... organization Bureau Central de Renseignements et d'Action (BCRA). There was also Direction Général des Services Spéciaux (DGSS or Special Services Executive), headed by ...