天文选择TheStefan-BoltzmannlawstatesthatF=a(为一常数)*T^4.Ifastaremits10^23ergs/sec/m^2,howmuchfluxwillastarwithtwicethetemperatureemit?ATwiceasmuchBFourtimesasmuchCEighttimesasmuchDSixteentimesasmuch

Question

天文选择
The Stefan-Boltzmann law states that F=a(为一常数)*T^4.If a star emits 10^23 ergs/sec/m^2,how much flux will a star with twice the temperature emit?
A Twice as much
B Four times as much
C Eight times as much
D Sixteen times as much

Answer 1

应该是D吧