Trifid nebula

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Trifid nebula [′trī‚fid ′neb·yə·lə]

(astronomy)

An emission nebula in Sagittarius that consists mostly of hydrogen ionized by hot, young stars, and displays dark lanes formed by dust.

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The online photo-essay for the week of October 28 includes a dramatic image and description of a cloud of gas and dust in the Trifid Nebula where would-be stars are fighting for their lives.

Amazing Space Image of the Week: Life and Death in the Trifid Nebula; ... by Business Wire

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