You Read About the Discovery of Quasars with Redshift Z

question 36

Multiple Choice

You read about the discovery of quasars with redshift z larger than 1.This means that

• A) their host galaxies are receding at speeds exceeding the speed of light.
• B) the measurements of redshift must be wrong; z cannot exceed 1.
• C) the relationship between z and receding speed must account for relativistic corrections.
• D) the speed of light can exceed c in the case of distant quasars.
• E) quasars must contain a lot of dark matter.

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