The "True" Brightness of a Star Is Called Its___________ Magnitude

question 58

Multiple Choice

The "true" brightness of a star is called its___________ magnitude.

• A) apparent
• B) absolute
• C) Doppler
• D) galactic

---

Definitions:

Conditioned Stimulus

A formerly neutral signal that, after consistent association with an unconditioned stimulus, triggers a learned response.

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without prior conditioning.

Conditioned Response

An automatic response established by training to an ordinarily neutral stimulus after association with an unconditioned stimulus.

Unconditioned Response

A natural, automatic reaction to a stimulus that occurs without the need for learning or conditioning.