Which known object has the largest cosmic void associated with it?
Quick Answer
The Boötes Void is one of the largest known empty regions in the nearby universe, spanning about 330 million light-years across. It contains far fewer galaxies than expected.
The Full Story
The Boötes Void is a vast underdense region of space in the direction of the constellation Boötes. It was identified in the 1980s and is about 330 million light-years across. Compared with average regions of the universe, it contains very few galaxies, making it one of the most famous cosmic voids. Voids like this are important because they show how matter is distributed unevenly on very large scales. They also help scientists test models of galaxy formation and the evolution of the universe.
Key Facts
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"A giant cosmic emptiness bigger than hundreds of Milky Ways across."
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