What is the name given to the type of planetary nebula in which a doughnut-shaped cloud of gas and dust in the plane of the equator channels the outflow in opposite directions toward the poles?

Question

Quizplus · Accepted Answer

Bipolar planetary nebulae are characterized by their unique shape, where material is ejected from a central star and is shaped into two lobes by a dense equatorial ring, creating a distinctive, symmetrical appearance often compared to a hourglass or butterfly. This structure channels the stellar outflow along the poles, leading to the bipolar appearance.

What Is the Name Given to the Type of Planetary