Question

a hertzsprung - russell (h - r) diagram is shown. a star that has a luminosity of 10^(-2) and a temperature of 20,000 k is most likely a — red giant white dwarf blue giant main sequence

Explanation:

Step1: Locate the values on the H - R diagram

Find the point with luminosity of $10^{-2}$ on the vertical axis and temperature of 20000 K on the horizontal axis.

Step2: Identify the star type

Based on the position of the point on the H - R diagram, it lies in the region of white dwarfs.

Answer:

White dwarf