What Is the Most Accurate Way to Determine the Distance

question 23

Multiple Choice

What is the most accurate way to determine the distance to a very distant galaxy?

• A)main- sequence fitting
• B)Hubble's law
• C)Cepheid variables
• D)Stellar parallax
• E)white dwarf supernova

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Definitions:

Hepatomegaly

An abnormal enlargement of the liver, which can indicate liver disease or heart failure.

Pyloric Stenosis

A condition in infants where the passage from the stomach to the intestine is narrowed, leading to vomiting and difficulty feeding.

Hypertrophy

An increase in the size of an organ or tissue through the enlargement of its cells, often in response to stress or increased demand.

Hypotonicity

A condition where there is decreased muscle tone, making muscles feel flaccid and leading to difficulties in maintaining posture or movement.