Which of the following pairs of terms directly relates to the actual brightness of a star?

A. absolute magnitude and luminosity
B. apparent magnitude and luminosity
C. size and luminosity
D. absolute magnitude and apparent magnitude

Respuesta :

Answer:

D. absolute magnitude and apparent magnitude

Absolute magnitude and apparent magnitude are the pairs of terms

directly relates to the actual brightness of a star.

Star brightness can be viewed in two ways and they include

  • Absolute magnitude
  • Apparent magnitude

Apparent magnitude refers to the how the brightness of the star is viewed

from the Earth while absolute magnitude refers to how the stars are viewed

from a standard distance of 32.6 light-years, or 10 parsecs.

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