Wilkinson Microwave Anisotropy Probe map of cosmic microwave background (CMB), the electromagnetic radiation left over from an early stage of the universe in Big Bang cosmology.

Voids, vast expanses of nearly empty space, account for about 80 percent of the observable universe, and according to researchers at the University of Wisconsin-Madison, our very own Milky Way galaxy may float near the center of one of these voids.

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Youtube channel ‘Seeker’ explores this, what it means and how it may change the way we understand the universe.