Large-Scale Structure

Sloan Great Wall

A galaxy wall over a billion light years across.

One of the largest known structures: a galaxy filament about 1.4 billion light years long, discovered by the Sloan Digital Sky Survey.

Overview

One of the largest known structures: a galaxy filament about 1.4 billion light years long, discovered by the Sloan Digital Sky Survey.

See also

Local Group

The galaxy neighbourhood the Milky Way belongs to.

Compact Group