Could a 'supervoid' solve an unrelenting debate over the universe's expansion rate? 

 Measurements of how fast the universe is expanding differ depending on how you measure the rate. Could a huge under-density of galaxies, including the Milky Way, be to blame? 

https://cdn.mos.cms.futurecdn.net/MuXfUgFFX4hrqh8ZnziDWT.jpg

https://www.space.com/hubble-tension-universe-expansion-supervoid