The Luminosity of a Cepheid Variable Star Compared with That

question 120

Multiple Choice

The luminosity of a Cepheid variable star compared with that of the Sun is

• A) generally between 10 and 100 times larger.
• B) about the same.
• C) significantly less.
• D) several hundred to several thousand times larger.

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Definitions:

Muslim Brotherhood

A transnational Sunni Islamist organization founded in Egypt, known for its political activism and social services.

Modern Physicists

Scientists who specialize in the study of physics, focusing on developing and understanding concepts of nature in the modern era.

Epicycles

In ancient astronomy, concentric spheres used to explain the irregular movements of planets in a geocentric model.

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A property of physical objects that measures the amount of matter within them, often influencing how they interact with forces and each other.