The Diagram Below Is an HR Diagram

question 85

Multiple Choice

The diagram below is an HR diagram. The line indicates the location of the main sequence. Which of the five labeled locations on the HR diagram indicates a luminosity and temperature similar to that of a T Tauri star?

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

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Definitions:

Nerve Deafness

Hearing loss caused by damage to the inner ear or the auditory nerve pathways to the brain, also known as sensorineural hearing loss.

Nociceptors

Sensory receptors that detect harmful stimuli such as extreme temperatures or pressure, sending signals to the brain interpreted as pain.

Olfactory Receptors

Specialized neurons in the nasal cavity that detect chemical molecules in the air, allowing for the sense of smell.

Eardrum

A thin membrane in the ear that vibrates in response to sound waves, playing a key role in hearing.