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Why Is It NOT Possible to Look All the Way

Question 4

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 form.
B) At such high redshifts, photons are gravitationally lensed by the dark matter in the universe.
C) At such high redshifts, most of the photons are blocked by large amounts of cold gas and dust.
D) At such high redshifts, photons are heavily altered because they easily react with individual protons and electrons in the universe.

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