Why Is It NOT Possible to Look All the Way $\approx$

question 26

Multiple Choice

Why is it NOT possible to look all the way back to the Big Bang itself?

• A) Photons are not produced until the stars begin to shine at a redshift of z \(\approx\) 20.
• B) From redshifts of z = 0 to 100,photons are gravitationally lensed by the dark matter in the universe.
• C) At redshifts of z > 1,000,most of the photons are blocked by large amounts of cold gas and dust.
• D) For redshifts of z > 1,000,photons are heavily altered because they easily react with individual protons and electrons in the universe.

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Definitions:

Existential Angst

A deep-seated condition of human existence characterized by feelings of disorientation, confusion, or dread in the face of an apparently meaningless or absurd world.

Meaningless Existence

A perception or state in which life appears to lack purpose or inherent value.

Nervousness

A state of restlessness and agitation often accompanied by physical symptoms, typically due to anxiety or tension.

Existentialists

Philosophers who explore and discuss issues related to existence, freedom, and the meaning of life.