Why Does the Observable Universe Have an "Edge

question 97

Multiple Choice

Why does the observable universe have an "edge"?

• A) Because there are so many galaxies in the universe that every line of sight eventually hits a galaxy,preventing us from seeing any farther
• B) Because the density of neutrinos at the "edge" is so large that photons cannot pass through,preventing us from seeing beyond that point
• C) Because absorbing matter prevents us from seeing past a certain distance
• D) Because we cannot see any farther than the distance that light has traveled over the lifetime of the universe

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Definitions:

Immune System

The body's defense mechanism against infectious organisms and other invaders, comprising various organs, cells, and proteins.

Psychological Factors

Emotional, cognitive, and behavioral characteristics that influence an individual's functioning.

Neurons

Specialized cells in the nervous system that transmit information to other nerve cells, muscle, or gland cells.

Hostility

A state of anger and aggression towards others, often resulting from perceived threats or frustration.