What is the temperature of the helium gas at this altitude?
[Boltzmann constant kB=1.38×10−23 J K−1k_B = 1.38 \times 10^{-23} \text{ J K}^{-1}kB=1.38×10−23 J K−1]
65 K65 \text{ K}65 K
130 K130 \text{ K}130 K
194 K194 \text{ K}194 K
291 K291 \text{ K}291 K
