Respuesta :
Answer:
[tex](b) \: apparent \: magnitude \\ \\ [/tex]
Explanation:
Astronomers define star brightness in terms of apparent magnitude — how bright the star appears from Earth — and absolute magnitude — how bright the star appears at a standard distance of 32.6 light-years, or 10 parsecs.
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The measurement of a star depends on the distance of the star from earth
is Apparent magnitude.
What is Apparent Magnitude?
The apparent magnitude of a star is how bright the star appears in the sky
from the earth. The apparent magnitude of a star depends on two main
factors known as:
- Absolute brightness
- Distance.
These factors help to accurately determine the brightness of stars in the
solar system.
Read more about Apparent magnitude here https://brainly.com/question/2511956