1. The problem statement, all variables and given/known data Deep in space, there is a particle density, p, is 1.01cm^-3. Pressure is extremely low, P, is 5.1 x 10^-17 N/m^2. What is the average temperature of mostly empty space? Answer in K 2. Relevant equations T=P/pKb 3. The attempt at a solution I plugged in (5.1x10^-17)/(1.01x10-9m^-3)(1.38x10^-23). Answer was incorrect.