NGC 6164: Dragon’s Egg Nebula and Halo

The smartly-known person on the heart created everything. Typically known because the Dragon’s Egg, this smartly-known person — a rare, scorching, radiant O-form smartly-known person some 40 times as huge because the Sun — created no longer easiest the advanced nebula (NGC 6164) that straight away surrounds it, but additionally the surrounding blue halo. Its name is derived, in phase, from the scrape’s proximity to the picturesque NGC 6188, identified because the combating Dragons of Ara. In a single other three to four million years the massive smartly-known person will likely end its life in a supernova explosion. Spanning around 4 gentle-years, the nebula itself has a bipolar symmetry making it identical in appearance to extra standard planetary nebulae – the gaseous shrouds surrounding death solar-love stars. Also love many planetary nebulae, NGC 6164 has been came upon to comprise an intensive, faint halo, printed in blue in this deep telescopic describe of the scrape. Rising into the surrounding interstellar medium, the topic topic within the blue halo was likely expelled from an earlier active fragment of the O-smartly-known person. NGC 6164 lies 4,200 gentle-years away within the southern constellation of the Carpenter’s Sq. (Norma).