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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Saurabh 1 Best Answer
Yes, it is basically what we discuss in case of protoplanetary disk or the disk consists of gas and dust that formed around or orbiting around the newly formed or young stars. If one consider what it consists of , then it has to be : Volatiles & Refractories. Volatiles: Evaporate rapidly even at low temperatures Refractories: Resist evaporation until a high temperature is reached(highest temperature celestial sphere) .