How can a planetary nebula be identified? Select the two correct answers.(1 point)

Question

Responses

spherical shape
spherical shape

central star remnant
central star remnant

dark area
dark area

diffuse edges

Answer 1

The two correct answers for identifying a planetary nebula are:

1. spherical shape
2. central star remnant

These characteristics are commonly associated with planetary nebulae, which typically have a round appearance and often contain a central white dwarf star, a remnant of the star that produced the nebula.