In February, scientists at the LIGO observatory made history when they announced the first ever detection of gravitational waves. These ripples in the fabric of space-time came from two black holes that spun around each other several times per second before merging in a violent, energetic explosion. Now, researchers have calculated the likely origins of those black holes. A new study argues that they probably came from two massive suns that formed about 12 billion years ago — or two billion years after the Big Bang.
Researchers came up with this origin story, published today in the journal Nature, by running a complex simulation called the Synthetic Universe; it’s a computer model that simulates how the Universe may have evolved since...
Black holes responsible for first gravitational wave detection came from ancient, massive suns
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