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Nebulae Quick Check

4 of 44 of 4 Items
Question
How can a planetary nebula be identified? Select the two correct answers.(1 point)
Responses

diffuse edges
diffuse edges

central star remnant
central star remnant

dark area
dark area

spherical shape

1 answer

The two correct answers for identifying a planetary nebula are:

  1. central star remnant
  2. spherical shape

Planetary nebulae typically have a central star (the remnant of a star that has shed its outer layers) and they often exhibit a spherical shape.

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