Redshift Measurements of a Galaxy Yield a Recession Speed of 1000

question 43

Multiple Choice

Redshift measurements of a galaxy yield a recession speed of 1000 km/s. Hubble's constant H is 23-km/s/10⁶ ly. The distance to the galaxy is approximately

• A) 23 × 10⁶ ly.
• B) 37 × 10⁶ ly.
• C) 44 × 10⁶ ly.
• D) 52 × 10⁶ ly.
• E) 61 × 10⁶ ly.

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Definitions:

Stanley Milgram

An American social psychologist best known for his controversial experiments on obedience to authority conducted in the 1960s.

Obedience

The act of following orders or directions from an authority figure, often without questioning them.

Experimenter

An experimenter is a researcher who conducts experiments, which are structured investigations designed to test hypotheses and understand causal relationships in scientific studies.

Pessimistic

A tendency to see the worst aspect of things or believe that the worst will happen.