Question

when a red giants outer atmosphere drifts away it is now known as a ...............? planetary cloud white dwarf cloud planetary nebula expanding nebula

Explanation:

A red giant is a late - stage star. When its outer atmosphere drifts away, it forms a planetary nebula. A planetary nebula is a glowing cloud of ionized gas ejected from a red giant star. A white dwarf is the core that remains after the outer layers have been shed. The terms "planetary cloud" and "expanding nebula" are not the standard names for this phenomenon.

Answer:

planetary nebula