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Blue Ring Nebula: 16-year-old Cosmic Mystery Solved, revealing Stellar missing Link

Blue Ring Nebula
The Blue Ring Nebula, which perplexed scientists for over a decade, appears to be the youngest known example of two stars merged into one.

Astronomers have solved the 16-year-old mystery surrounding the Blue Ring Nebula – an unusual, large, faint blob of gas with a star at its center. This object is unlike any they’d ever seen before in our Milky Way galaxy. The team has discovered the nebula appears to be the first known example of a merged star system at this stage.

In 2004, scientists with NASA’s space-based Galaxy Evolution Explorer (GALEX) spotted an object unlike any they’d seen before in our Milky Way galaxy: a large, faint blob of gas with a star at its center...

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