November 19, 2020

9Teachers.Science

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The dazzling Blue Ring Nebula puzzled scientists for 16 years — and now they finally understand why

3 min read


Scientists have uncovered new evidence in the mysterious fluorescent debris of the Blue Ring Nebula that may explain how the strange structure formed. 

The Blue Ring Nebula harbors a central star, known as TYC 2597-735-1. An unusual ultraviolet ring surrounds the star, which astronomers first observed in 2004 using NASA’s now-defunct Galaxy Evolution Explorer (GALEX) space telescope. Until now, the formation of this peculiar ring — which is actually invisible ultraviolet light that has been color-coded blue in the telescope images — has largely remained a mystery. 





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