A Surprising Fact About a 1 M _$\odot$ Protostar Is That, Even Though Nuclear Reactions Have

question 13

Multiple Choice

A surprising fact about a 1 M _$\odot$ protostar is that, even though nuclear reactions have not yet started in their cores, they are _________ than the Sun.

• A) hotter
• B) rotating faster
• C) smaller
• D) denser
• E) more luminous

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Definitions:

Sartorius

A long narrow muscle of the thigh; the longest muscle of the body.

Duchenne's

Often referring to Duchenne muscular dystrophy, a genetic disorder characterized by progressive muscle degeneration and weakness.

Erb's

Refers to Erb's palsy, a condition caused by nerve damage around a baby's neck, which can lead to weakness or loss of movement in the arm.

Torticollis

A condition also known as "wry neck," where the head becomes twisted to one side due to muscular or skeletal issues.