Question: Deep in space there is an average particle density = 0 . 9 9 cm -3 3 and an extremely low pressure of P

 Deep in space there is an average particle density ρ=0.99 cm-33 and an extremely low pressure of P0=4.9 x 10-
1-17 N/m2. What is the average temperature of (mostly) empty space? Give your answer in K. 

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