NED

Organisations, telescopes & standards

• Caltech/IPAC

Used across the archive

• Persistent Identifiers

Knowledge connections

• Associated withCaltech/IPAC
• Associated withPersistent Identifiers
• Associated withAbell Catalogue
• Associated withGalaxy Catalogues

Sources

Facts on this topic will be cited from these primary and reference sources.

• NASANational Aeronautics and Space Administration

  Mission data, planetary science, space telescopes, and public-domain imagery.

  Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.