HomeWorldVast luminous nebula poses a cosmic mystery

Vast luminous nebula poses a cosmic mystery

Astronomers have found an enormous, glowing blob of gas in the distant universe, with no obvious source of power for the light it is emitting. Called an ‘enormous Lyman-alpha nebula’ (ELAN), it is the brightest and among the largest of these rare objects, only a handful of which have been observed.

(via WSJ)

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