Collisions Between Galaxies

question 92

Multiple Choice

Collisions between galaxies

• A) occur only very occasionally to produce spectacular supergalaxies containing many new stars. Only one or two examples have been detected so far.
• B) are occurring all the time, all elliptical galaxies having resulted from such collisions. The collisions have cleared out all the gas and dust from these galaxies.
• C) never happen since galaxies are so far apart in this universe.
• D) can and do occur relatively frequently over cosmological times.

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Definitions:

Maximizing

The strategy of choosing the best possible alternative from a set of options to ensure the highest level of satisfaction or utility.

Framed

In psychology, refers to the way information is presented to individuals, influencing their decisions and perceptions based on the context or "frame" used.

Satisficing

A decision-making strategy that involves choosing an option that meets a minimum level of satisfaction rather than the optimal solution.

Satisficing Strategy

A decision-making strategy that aims for a satisfactory or "good enough" solution rather than an optimal one.