“Stellar archaeology” reveals remnant of ancient globular cluster that’s “the last of its kind”

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“Stellar archaeology” reveals remnant of ancient globular cluster that’s “the last of its kind”

 

A team of astronomers including Carnegie’s Ting Li and Alexander Ji discovered a stellar stream composed of the remnants of an ancient globular cluster that was torn apart by the Milky Way’s gravity 2 billion years ago, when Earth’s most-complex lifeforms were single-celled organisms. This surprising finding, published in Nature, upends conventional wisdom about how these celestial objects form.

Source: carnegiescience.edu/node/2646

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