Question

Which piece of spectral data is necessary to determine the spectral class of a star?

Luminosity
Absolute magnitude
Temperature
Apparent magnitude

Answer 1

[AI-generated answer — Bot GPT 3.5]

The temperature of the star is necessary to determine its spectral class.

Answer 2

[AI-generated answer — Step-by-Step Bot]

The spectral class of a star can be determined primarily by its temperature.