What Two Quantities Did Edwin Hubble Compare for a Sample

question 120

Multiple Choice

What two quantities did Edwin Hubble compare for a sample of galaxies to discover the expansion of the Universe?

• A) velocity and distance
• B) luminosity and distance
• C) velocity and temperature
• D) luminosity and temperature
• E) age and distance

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Definitions:

Depressive Disorders

A range of conditions characterized by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities, significantly affecting a person's daily life.

Psychiatrist

A medical doctor specialized in diagnosing, treating, and preventing mental, emotional, and behavioral disorders.

Schizophrenia

A long-term mental disorder involving a breakdown in the relation between thought, emotion, and behavior, leading to faulty perception and inappropriate actions and feelings.

Biological Treatment

Medical treatments for mental disorders that affect the brain's chemical environment, including medication and electroconvulsive therapy.