two stars have the same Luminosity or absolute magnitude. one Star is spectral c

Question

two stars have the same Luminosity or absolute magnitude. one Star is spectral class F and the other is spectral Class K. From this information, we know that the
a. k type star is larger than the B type star
b. b-type star is larger than the K type star
c. b-type star is hotter but can be larger, smaller, or the same size as the K type star
d. k type Stars hotter but can be larger, smaller, or the same size as the beat up star

As you move along the main sequence, the masses of stars
a. show no obvious relationship to temperature
b. increase with increasing temperature
c. decrease with increasing temperature
d. remain relatively constant

Explanation / Answer

1) Two stars have the same Luminosity or absolute magnitude. one Star is spectral class F and the other is spectral Class K. From this information, we know that the

Answer - c. b-type star is hotter but can be larger, smaller, or the same size as the K type star

2) As you move along the main sequence, the masses of stars

Answer - b. increase with increasing temperature

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