Galaxies That Are Far Away from Us Have Spectra That

question 11

Multiple Choice

Galaxies that are far away from us have spectra that are redshifted more than galaxies that are closer to us. It is thought that the reason for this is that

• A) we are at the edge of the universe and moving away from the center.
• B) we are at the center of an expanding universe.
• C) space itself is expanding.
• D) the stars in more distant galaxies are older and cooler than those nearby.

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A shot or nasal spray that provides protection against the influenza virus, recommended annually.