Astronomers have gotten a rare glimpse of two distant and ancient galaxies merging.
The galaxies, called HXMM01, are about 11 billion light years from Earth, meaning they offer a look at the universe when it was only 3 billion years old. Inside the massive formation are some 400 billion stars.
Astronomers have long wondered how galaxies grew. When the universe was three to four billion years old, it was believed to have been populated with large reddish elliptical-shaped galaxies made up of …
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