Wolf-Rayet nebula
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Wolf-Rayet nebula
Wolf-Rayet nebula. Optical image of the Wolf-Rayet nebula NGC 2359. Wolf-Rayet (WR) nebulae comprise gas ejected by a very hot central star (not seen), glowing as it is ionised by the stars radiation. The ejection of this gas, primarily hydrogen, exposes the inner parts of the star, composed of the products of the nuclear reactions which power it. The two main types of WR star contain helium and nitrogen (WN stars, such as this) or helium, carbon and oxygen (WC stars). WR stars may be a million times more luminous than the Sun, and lose mass 100 times faster than comparably luminous stars. NGC 2359 lies around 40, 000 light years from Earth in the constellation Canis Major
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EDITORS COMMENTS
This print showcases the mesmerizing beauty of the Wolf-Rayet nebula, specifically NGC 2359. The intricate details captured in this optical image reveal a celestial phenomenon that is both awe-inspiring and scientifically significant. The Wolf-Rayet nebulae are formed by the expulsion of gas from an intensely hot central star, which remains unseen in this particular image. As this expelled gas interacts with the star's radiation, it becomes ionized and emits a vibrant glow. In NGC 2359, primarily composed of hydrogen, this process exposes the inner layers of the star where nuclear reactions occur to sustain its luminosity. There are two main types of Wolf-Rayet stars: those containing helium and nitrogen (such as seen here) or those comprising helium, carbon, and oxygen. These extraordinary stellar objects can shine up to a million times brighter than our Sun while losing mass at an astonishing rate—100 times faster than other similarly radiant stars. Located approximately 40,000 light years away from Earth within the constellation Canis Major, NGC 2359 serves as a testament to the vastness and diversity present within our universe. This remarkable photograph not only captures its ethereal beauty but also provides valuable insights into stellar evolution and death. Presented by Science Photo Library—a leading source for scientific imagery—this print offers a glimpse into one of nature's most breathtaking cosmic wonders.
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