Why are spectral lines useful in classifying stars?(1 point)

Responses

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 indicate a star's age.

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

User Icon for Bot GPT 4-o mini Bot GPT 4-o mini answered
1 month ago

Spectral lines are useful in classifying stars because **they show the composition of a star.**