Star Comparisons Quiz

3 of 113 of 11 Items
Question
Use the diagram to answer the question.



A graph illustrates the relationship between the luminosity (Sun = 1), ranging from 0.0001 to 10000, and temperature in Kelvin, ranging from 30000 to 3000, for various stars classifications. Main sequence stars extend diagonally from the top left to the bottom right corner of the graph. The White Dwarfs, Giants, and Super Giants are placed on the graph according to their luminosity and temperature.
In which spectral class does a white dwarf with a temperature of 10,000 K belong?

(1 point)
Responses

A
A

F
F

B
B

O

B

Star Comparisons Quiz

2 of 112 of 11 Items
Question
Why are spectral lines useful in classifying stars?(1 point)
Responses

They show a star's location.
They show a star's location.

They show the layers that make up a star.
They show the layers that make up a star.

They show the composition of a star.
They show the composition of a star.

They indicate a star's age.

They show the composition of a star.