Stars Unit – Review Questions
Chapter 15 (p. 514)
29. c
31. c
32. a
33. c
40. (e) Spica
(f) Antares
(g) Alpha Centauri A
(h) Antares
(j) Aldebaran, Antares, Canopus
(k) Spica
(l) Alpha Centauri A
Chapter 17 (p. 556)
8. A planetary nebula is a glowing cloud of gas, ejected from a low-mass star at the end of its life. The star's core becomes a white dwarf.
33. b