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**1. Homework Statement**

the problem is one of understanding. if heat is incident on a surface raising the temperature to some number then conducts through the solid to the other side how much heat energy is actually at the other side?? i understand the temperatures will be different and that heat and temperature aren't the same thing but how could one calculate heat energy at the other side?

**2. Homework Equations**

i suppose the conduction equation Q = ((lambda*c.s.a)/length)*delta T)

q in equals a fraction of q out

**3. The Attempt at a Solution**

if i use the solar constant on the side a spacecraft around mars the temperatuere is around 30 degrees C i understand the temperature on the other side will be less and i know the incoming radiation so can work it out, but how much

**heat energy**will be on the other side???

cheers all, this is really playing on my mind