Imagine that you visit an alien world that has an atmospheric composition similar to that of Earth (that is, mostly nitrogen and oxygen) and a surface atmospheric pressure of 1.2 bars. Which of the following statements best describes the effects of this pressure?

a. It will feel quite similar to the atmospheric pressure on Earth.
b. It will feel about like the pressure on a high mountaintop on Earth.
c. It will feel crushing, like being deep under the ocean.
d. It is so low that you'll need to wear a pressurized spacesuit to survive.


Answer ; a. It will feel quite similar to the atmospheric pressure on Earth.

Physics & Space Science

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