description Abell 84 Overview
Abell 84 is a planetary nebula listed in the Abell catalogue of planetary nebulae compiled from astronomical survey photographs. It is located in the constellation Cassiopeia and consists of gas expelled by a dying star, illuminated by the hot stellar remnant at its center. Like many Abell planetary nebulae, it is a faint object that is more suitable for observation with telescopes than with the unaided eye.
help Abell 84 FAQ
What is Abell 84?
Abell 84 is a planetary nebula listed in the Abell catalogue of planetary nebulae. It is located in the constellation Cassiopeia.
How did Abell 84 form?
It formed from gas expelled by a dying star during the late stages of stellar evolution. The gas glows because it is illuminated by the hot stellar remnant at the center.
Is Abell 84 a galaxy?
No. Abell 84 is a planetary nebula within the Milky Way, not a galaxy. The term planetary nebula refers to an expanding shell of gas around a former Sun-like star.
Why is Abell 84 included in the Abell catalogue?
The Abell catalogue was compiled from astronomical survey photographs to list planetary nebulae. Abell 84 is one of the objects identified and catalogued through that survey work.
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