Look at the attachment for Directions and sources. Please, DO NOT USE OUTSIDE S

Look at the attachment for Directions and sources. Please, DO NOT USE OUTSIDE SOURCES
This activity assesses students’ mastery of learning objective #1 Compare and contrast the main properties of different spectral classes of stars.
Use the following stars to answer the questions below. Look carefully at each spectral type AND luminosity class!
Star Spectral Type & Luminosity Class
10 Lacertae O9 V
Canis Major M5 I
61 Ursa Majrois G8 V
Alnilam B0 I
Pollux K0 III
Wolf 498 M1 V
SS 433 is a binary system A V star + black hole