Question

Consider the star to which the arrow points. Which of the following statements about this star is NOT true? Note: the Sun is a Type G star with a luminosity of 1 LSun, like the star marked by the dashed lines. L/L_sun 1000 100 10 1 1/10 1/100 O B A F G K M It is much less massive than the Sun. It is larger in radius than the Sun. It is more luminous than the Sun. Its surface temperature is lower than the Sun's.

          Consider the star to which the arrow points. Which of the following statements about this star is NOT true?
Note: the Sun is a Type G star with a luminosity of 1 LSun, like the star marked by the dashed lines.
L/L_sun
1000
100
10
1
1/10
1/100
O B A F G K M
It is much less massive than the Sun.
It is larger in radius than the Sun.
It is more luminous than the Sun.
Its surface temperature is lower than the Sun's.

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Consider the star to which the arrow points. Which of the following statements about this star is NOT true?
Note: the Sun is a Type G star with a luminosity of 1 LSun, like the star marked by the dashed lines.
L/Lsun
1000
100
10
1
1/10
1/100
O B A F G K M
It is much less massive than the Sun.
It is larger in radius than the Sun.
It is more luminous than the Sun.
Its surface temperature is lower than the Sun's.

Added by Jose Luis M.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Madhur L

06/07/2023

Step 1

The star is in the K spectral class, which means it is cooler and less massive than the Sun (a G-type star). So, the statement "It is much less massive than the Sun" is true. Show more…

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Consider the star to which the arrow points. Which of the following statements about this star is NOT true? Note: the Sun is a Type G star with a luminosity of 1 LSun, like the star marked by the dashed lines. It is much less massive than the Sun. It is larger in radius than the Sun. It is more luminous than the Sun. Its surface temperature is lower than the Sun's.

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