Physics, 12.06.2020 19:57, noname857

A spherically symmetric dust grain is located 150 AU away from an A0 mainsequence star. Assuming that the dust grain is in thermal equilibrium (i. e. absorbs and emits the sameamount of energy) and radiates like a perfect blackbody, what is the temperature of the dust grain?

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A spherically symmetric dust grain is located 150 AU away from an A0 mainsequence star. Assuming tha...