SOLAR SYSTEM

UNIVERSE

PLANETARY FORMATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the atmospheric pressure on Venus compared to Earth?
A
2.1 times the pressure
B
17.3 times the pressure
C
53.7 times the pressure
D
92.0 times the pressure
Explanation: 

Detailed explanation-1: -The pressure 50 kilometers above Venus’s surface is equal to the sea-level pressure on Earth, i.e., one bar. On the surface, Venus has an atmospheric pressure of 92 bars, equal to the pressure in a one-kilometer depth of an ocean on Earth.

Detailed explanation-2: -The atmosphere of Venus is heavier than that of any other planet, leading to a surface pressure that’s over 90 times that of Earth-similar to the pressure that exists 3, 300 feet (1, 000 meters) deep in the ocean.

Detailed explanation-3: -There is a lot more and heavier gas on Venus than on Earth, and since Venus is smaller than Earth, the pressure that the gas exerts per square inch is much higher.

Detailed explanation-4: -Surface pressures on Venus are about 95, 000 millibars. (By contrast, Earth has a sea-level pressure of about 1, 000 millibars.) Mars, in contrast, has a thin atmosphere composed of about 95 percent carbon dioxide, with the remainder being mostly diatomic nitrogen. Traces of water vapour also occur.

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