Cometary Globules

Posted on July 17, 2024  •  1 minutes  • 103 words

图文来源自：nasa. copyright: Mark Hanson

What are these unusual interstellar structures?Bright-rimmed, flowing shapes gather near the center of toward the borders of the nautical southern.Composed of interstellar gas and dust, the grouping oflight-year sized cometary globules is about 1300 s distant.Energetic ultraviolet light from nearby hot starsand ionized their bright rims.stream away from the whichmay have influenced their swept-back shapes.Within them, cores of cold gas and dust are likely to formlow mass stars, whose formation will ultimately cause the.In fact, cometary globule CG 30 (on the upper left) sports asmall reddish glow near its head, of energeticjets from a star in the early stages.