DescriptionArtist’s impression of two white dwarf stars merging and creating a Type Ia supernova.ogv
English: This artist’s impression video shows the central part of the planetary nebula Henize 2-428. The core of this unique object consists of two white dwarf stars, each with a mass a little less than that of the Sun. They are expected to slowly draw closer to each other and merge in around 700 million years. This event will likely create a dazzling Type Ia supernova and destroy both stars.
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{{Information |Description ={{en|1=This artist’s impression video shows the central part of the planetary nebula Henize 2-428. The core of this unique object consists of two white dwarf stars, each with a mass a little less than that of the Sun. T...