By Studying Distant Galaxies in the 1920s,Hubble Made Which of the Following

question 29

Multiple Choice

By studying distant galaxies in the 1920s,Hubble made which of the following important discoveries that led us to conclude that the universe is expanding?

• A)All galaxies contain billions of stars,and all galaxies have spiral shapes.
• B)All galaxies were born at the same time,and all will die at the same time.
• C)All galaxies outside the Local Group are moving away from us,and the farther away they are,the faster they're going.
• D)All galaxies outside the Local Group are orbiting the Local Group.
• E)All galaxies outside the Local Group are moving away from us,and all are moving away at nearly the same speed.

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Definitions:

Magnetic Resonance Imaging

A non-invasive medical imaging technique used to visualize internal structures of the body in detail using powerful magnets and radio waves.

Myelin Loss

The deterioration or destruction of the myelin sheath surrounding nerve fibers, often leading to neurological disorders such as multiple sclerosis.

Plaque

Deposits of fatty substances, cholesterol, cellular waste products, calcium, and fibrin in the inner lining of an artery, which can lead to cardiovascular disease.

Domino Effect

A chain reaction where a small change causes a similar change nearby, leading to a sequence of events with potentially large impacts.