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Bookmark or Share- 'We were amazed': Scientists reveal Southern Ring Nebula's unexpected ...The Southern Ring Nebula, also designated NGC 3132, is a planetary nebula located about 2,000 light-years away in the constellation of Vela, the Sails. The name "planetary nebula" is a misnomer ...
- Planetary nebula | Definition, Temperature, Size, & FactsPlanetary nebula, any of a class of bright nebulae that are expanding shells of luminous gas expelled by dying stars. They have a relatively round compact appearance rather than the chaotic patchy shapes of other nebulae—hence their name, which was given because of their resemblance to planetary.
- Messier 57 (The Ring Nebula) - NASA SciencePlanetary Nebula. M57, or the Ring Nebula, is a planetary nebula, the glowing remains of a sun-like star. The tiny white dot in the center of the nebula is the star’s hot core, called a white dwarf. NASA, ESA and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration.
- Planetary Nebulas | Center for Astrophysics | Harvard & SmithsonianPlanetary Nebulas. When a star like our Sun dies, it doesn’t explode into a supernova or collapse into a black hole. Instead, it gently sheds its outer layers, which form a beautiful cloud called a “planetary nebula”, while the dying star’s core becomes a white dwarf.
- Planetary Nebula | ESA/Hubble | ESA/HubbleA planetary nebula is a region of cosmic gas and dust formed from the cast-off outer layers of a dying star. Despite their name, planetary nebulae have nothing to do with planets.
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