If something can't emit, reflect, or absorb light, how do you know it's there? That's the conundrum that surrounds dark matter, the elusive substance that scientists believe makes up a whopping 27 percent of the universe. In April 2017, we may have answered that question: researchers at the University of Waterloo created the first composite image of the dark matter that connects galaxies together. That little pink-and-purple graphic is what scientific breakthroughs are made of.
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Written by Ashley Hamer April 27, 2017
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