Wolf-Rayet nebula NGC 2359

Wolf-Rayet nebula NGC 2359

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Caption: Wolf-Rayet nebula NGC 2359, optical image. This nebula, lying around 40,000 light years from Earth in the constellation Canis Major, is sometimes known as Thor's Helmet. A Wolf-Rayet nebula is formed by the ejection of glowing, ionised gas from a hot, central star. These Wolf-Rayet stars lose mass 100 times faster than stars of comparible luminosity and may be a million times more luminous than the Sun. The interaction of the ejected gas with interstellar matter forms a bubble around the star, which glows when ionised by the star's radiation.

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Keywords: astronomical, astronomy, astrophysical, astrophysics, canada france hawaii telescope, canis major, cfht, hawai'i, ionised, nebula, ngc 2359, pinwheel, plasma, space, star, stars, stellar, telescope, thor's helmet, wolf-rayet, wolf-rayet nebula, wr

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