In an H-R Diagram, Where Can You See the Spectral

question 2

Multiple Choice

In an H-R diagram, where can you see the spectral type of a star (whether it is an O type star or a G type star, for example) ?

• A) along the right (vertical axis)
• B) along the bottom (the horizontal axis)
• C) only in the red giant region
• D) only on the main sequence
• E) H-R diagrams have nothing to say about spectral types

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