This galaxy took only 500 million years to form

This galaxy took only 500 million years to form
By Paul M. Sutter

Galaxies are supposed to build up a very slowly, taking billions of years to acquire their vast bulk. But a newfound galaxy, appearing in the universe when it was only 1.8 billion years old, tells a different tale. It formed stars at a rate hundreds of times greater than the Milky Way, and was able …

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December 21, 2020 at 05:02PM
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