For Finding the Distance to M31, Hubble Relied Upon

question 2

Multiple Choice

For finding the distance to M31, Hubble relied upon:

• A)RR Lyrae stars in its globular clusters.
• B)type I supernova in its core.
• C)type II supernova in its spiral arms.
• D)Cepheid variables in its spiral arms.
• E)planetary nebulae near its core.

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Definitions:

Plantation Gentry

A social class in the antebellum South, consisting of wealthy landowners who owned plantations operated primarily by enslaved people.

Geography

The study of places and the relationships between people and their environments, focusing on the physical properties of the Earth's surface and the human societies spread across it.

Nautical Dominance

Superiority or control over sea routes and maritime activities, often achieved through a country's powerful navy or a significant merchant marine force.

New England

A region in the northeastern United States, known for its colonial history, distinct seasons, and as the birthplace of America's industrial revolution.