Using Figures 10-8 and 10-9 of Comins,Discovering the Essential Universe,6th ed.,determine list is the CORRECT sequence of stars in order of increasing size or stellar radius.
A) Sirius B, the Sun, Betelgeuse, Mira
B) Mira, Betelguese, the Sun, Sirius B
C) Betelgeuse, Mira, the Sun, Sirius B
D) Sirius B, the Sun, Mira, Betelgeuse

Question

Quizplus · Accepted Answer

Sirius B is a white dwarf, the Sun is a main-sequence star, Mira is a red giant, and Betelgeuse is a red supergiant, so the sequence from smallest to largest is Sirius B, the Sun, Mira, Betelgeuse.