everyday science MCQ #30

In a typical H-R diagram, stars are graphed by which two characteristics?

everyday science MCQ #30

  1. Question 1

    Q1. In a typical H-R diagram, stars are graphed by which two characteristics?

    • A) Luminosity and distance
    • B) Distance and temperature
    • C) Size and distance
    • D) Temperature and Luminosity

    Answer: Temperature and Luminosity

    Explanation: The Hertzsprung-Russell (H-R) diagram plots stars according to their luminosity (absolute brightness) on the y-axis and surface temperature (spectral class) on the x-axis.