Glossary

Shapley Supercluster

Shapley Supercluster Image source: Richard Powell

Classification: place
Chapter: Gone Fizzion

The Shapley Supercluster is about 650 million light years from the Local Group (including the Milky Way) which is moving towards it. Its more than 10,000 galaxies are mutually bound by gravity but it is not bound to other superclusters, so the space between them is expanding.