The supervoid has far fewer galaxies than the rest of the universe, and was identified in 2015 by astronomers in Hawaii. It sits in the constellation Eridanus, and could explain the mysterious "Cold Spot" that has been observed in the same location. Before the supervoid was found, scientists were stumped by the Cold Spot, which seemed to defy the basic tenets of the Big Bang theory.
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Key Facts In This Video
One chilly region of the universe has notably less thermal energy left over from the big bang. 00:16
The supervoid stretches 1.8 billion light years across. 00:39
When light travels through the supervoid, it loses energy, which results in the void's colder microwave background. 01:07
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