"Hubble Ultra Deep Field" by NASA and the European Space Agency / Public Domain

Scientists unveil largest 3D map of the universe ever

Jul 22, 2020

By Brandon Specktor

After five years of peering into the deepest reaches of space, researchers have released what they call the “largest three-dimensional map of the universe” ever. No, you cannot see your house.

The mind-boggling map is the result of an ongoing project called the Sloan Digital Sky Survey (SDSS) — an ambitious, international quest to map the expansion of the observable universe, and hopefully solve a few cosmic conundrums in the process. With this newest update, the project has mapped and measured more than 2 million galaxies, stretching from our Milky Way to ancient objects more than 11 billion light-years away.

The detailed new map will help astronomers piece together a murky period of the universe’s expansion known as “the gap.”

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