description NGC 6164/6165 Overview
NGC 6164 and NGC 6165 form a bipolar emission nebula located in the southern constellation of Norma. The nebula's hourglass-like structure is sculpted by the stellar winds of its massive central star, the O-type supergiant HD 148937. Often referred to as the Dragon's Egg, this nebula is an estimated 4,200 light-years from Earth and provides astronomers with a relatively nearby example of how massive stars shape their surrounding gas and dust near the end of their lifespans.
help NGC 6164/6165 FAQ
What is the common nickname for the NGC 6164/6165 nebula?
This cosmic structure is often referred to as the "Dragon's Egg." It forms a recognizable bipolar emission nebula in the night sky.
What causes the hourglass shape of NGC 6164 and NGC 6165?
The nebula's hourglass-like structure is sculpted by the intense stellar winds of its central star. This central star is the massive O-type supergiant known as HD 148937.
What constellation contains the NGC 6164/6165 nebula?
The NGC 6164 and NGC 6165 nebulae are located in the southern constellation of Norma. The area is a well-known region for massive star formation.
What type of nebula is formed by NGC 6164 and NGC 6165?
Together, NGC 6164 and NGC 6165 form a bipolar emission nebula. The gas shells that make up this hourglass shape were expelled by the central star HD 148937.
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