If You Observe a Variable Star with a Period of 50

question 6

Multiple Choice

If you observe a variable star with a period of 50 days as a yellow, supergiant star, then you most likely have seen a(n) ____.

• A) degenerate star
• B) RR Lyrae variable star
• C) eclipsing binary star
• D) Cepheid variable star
• E) Type I Pulsar

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Definitions:

Highly Vascular

Describes tissues that contain many blood vessels, indicating a rich blood supply.

Zero Gravity

A condition of apparent weightlessness experienced when no net gravitational forces are acting on an object.

Smooth Muscle

A type of muscle tissue that is not under conscious control, found in the walls of internal organs such as the stomach and intestines.

Digestive Tracts

The series of hollow organs joined in a long, twisting tube from the mouth to the anus through which food and waste pass.