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Q&A

Would a denser atmosphere hold in more moisture even if the temperature was exactly that of Earth's surface temperature? (Atmospheric Density)

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(My world's details) I have a super-earth world. The surface of the world is shallower due to extra gravity, so shorter mountain ranges and fewer ocean depths. The world orbits a binary star system at a distance of the furthest region of the habitable zone, both of the stars having masses of 0.93x that of our sun's. The world is highly volcanic, approximately 15 to 16 times more volcanic than our planet.

Surface gravity: 1.35x that of Earth's.

Atmosphere density: 10x that of Earth's (a result of it being highly volcanic in comparison to earth.)

Atmospheric composition: Nitrogen 78%, 15% Oxygen, 5% Carbon dioxide, 2% Trace gases.

Temperature: Rather hot, the tropical regions being 90 to 110° Fahrenheit. (Based on what I've tested on Universe Sandbox 2)

Land coverage: 75% water, and 25% land (but less water being present on this world as the oceans are shallower mostly due to a lot of island formations)

Radius: 7750 kilometers

Day/Night length/full rotation: 28 hours.

Axial tilt: 53 degrees.

Orbital period: 1.15 years

Eccentricity: 0.025


I've heard that a denser atmosphere has more capacity for humidity compared to a thinner atmosphere with similar temperatures, is this true? Would a denser atmosphere hold more moisture even if the temperature was exactly that of Earth's surface temperature?


(I seek more answers than just the four below, please answer if you can)

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This post was sourced from https://worldbuilding.stackexchange.com/q/119331. It is licensed under CC BY-SA 4.0.

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