A Gas Eventually Will Escape from a Planet's Atmosphere If

question 38

Essay

A gas eventually will escape from a planet's atmosphere if the average velocity of the gas' atoms exceeds 1/6 times the escape velocity of the planet.If the average velocity of water vapor in Venus' atmosphere is 0.5 km/s,what would be the average velocity of a single hydrogen atom? If Venus' escape velocity is 11 km/s,will hydrogen atoms eventually escape?

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Definitions:

MHC Class

Molecules on the surfaces of cells that help the immune system recognize foreign substances; they are categorized into class I and II, important for immune response.

Immune System

The immune system is a complex network of cells, tissues, and organs that work together to defend the body against infection and disease.

Lipoproteins

Molecules made of protein and fat that transport fats around the body in the extracellular fluid.

Plasma Membranes

A dual lipid layer enveloping the cell's cytoplasm, responsible for managing substance movement into and out of the cell.