Describe How Gravitational Lensing Works

question 61

Essay

Describe how gravitational lensing works. What can it tell us about a quasar? What can it tellus about the galaxy that is doing the lensing? How is lensing valuable to the study of darkmatter?

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Definitions:

Functional Fixedness

A cognitive bias that limits an individual to use an object only in the way it is traditionally used, hindering problem-solving and creativity.

Restructuring

Restructuring refers to the process of changing the organization or structure of something, often used in contexts of cognitive restructuring in psychology to change patterns of thinking.

Working Backward

A problem-solving strategy that involves starting from the desired goal and using steps in reverse order to reach the initial condition.

Subgoals

Intermediate goals set within the path to achieve a larger, primary goal, often used to organize and direct efforts effectively.