All of the Descriptions EXCEPT ONE Is Believed to Be

question 84

Multiple Choice

All of the descriptions EXCEPT ONE is believed to be a possible mechanism that can trigger the collapse of a cloud of gas and dust to form a star.Which is the exception?

• A) Stellar winds may compress nearby gas and dust clouds.
• B) A nearby supernova can compress nearby gas and dust clouds.
• C) Clouds can collide and compress each other.
• D) Radiation pressure from the Cosmic Microwave Background can compress clouds of gas and dust.

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Definitions:

Expected Frequency

The theoretical number of times an outcome is anticipated to occur in a statistical experiment based on the total number of observations and the probabilities of outcomes.

Uniformly Distributed

Describes a distribution where all outcomes are equally likely to occur.

Capital Punishment

A legal penalty where a person is sentenced to death by the state as punishment for a crime.

Poisson Distribution

A discrete probability distribution expressing the probability of a given number of events occurring in a fixed interval of time or space, assuming that these events occur with a known constant mean rate and independently of the time since the last event.