Heat travels through vacuum by

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(C) Heat transfer occurs through three main processes: conduction,convection,and radiation. Conduction requires a material medium and involves the tra

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Radiation

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(C) Heat transfer occurs through three main processes: conduction,convection,and radiation. Conduction requires a material medium and involves the transfer of energy through molecular collisions. Convection also requires a material medium (liquid or gas) and involves the actual movement of matter. Radiation is the process of heat transfer in the form of electromagnetic waves,which do not require any material medium to propagate. Therefore,heat can travel through a vacuum only by radiation.

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