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ram pressure comparison table

Subject	is a kind of	has definition
pressure	quantity	The force exerted over a surface divided by its area.
ram pressure	pressure	Motion of a blunt body at supersonic velocity through an ambient gaseous medium causes a strong drag or ram pressure to be exerted on the body. In the case of a galaxy moving through the intergalactic gas, the ram pressure is capable of stripping the galaxy of much of its interstellar gas.

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