What Prevents the Pressure from Increasing as a Cloud Contracts

question 60

Multiple Choice

What prevents the pressure from increasing as a cloud contracts due to its gravity?

• A)As the cloud becomes denser,gravity becomes stronger and overcomes the pressure buildup.
• B)The pressure is transferred from the center of the cloud to its outer edges where it can dissipate.
• C)Thermal energy is converted to radiative energy via molecular collisions and released as photons.
• D)Excess pressure is released in jets of material from the young stars.
• E)Once the cloud reaches a critical density,the pressure becomes degenerate and independent of temperature.

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