100 Planetary Nebulae: How Many Can You Name?
Planetary nebulae are formed by sun-like stars that are in the process of their death. As revealed in this implausible image, death and devastation in the universe can leave unbelievable structures behind in their wake. Planetary nebulae are a kind of emission nebulae. Due to unidentified procedures, these nebulae take on an extensive range of shapes. Of the dozen or so forms detected to date, the three most plentiful types are spherical, elliptical, and bipolar. These stuffs also have a short lifetime of about 10,000 years. As of that, there are only about 3,000 recognized planetary nebulae. Ultimately, the significant star in the centre that ionized the nebula chills down and turns into a white dwarf leaving these superb nebulae to disappear from view.
Image Credit: Julie Schmidt
(If you find any error or miscalculation in this article then please feel free to share in comment and if you want to expand this article then comment below)
100 Planetary Nebulae: How Many Can You Name? Reviewed by Umer Abrar on 6/06/2014 Rating: