The Dwarf Planet Sedna

The Dwarf Planet Sedna

Discovery and Naming:

Classification:

Size, Mass and Orbit:

Composition:

Origin:

  • NASA - Solar System Exploration: Kuiper Belt

  • NASA - Science Beta: Mysterious Sedna

  • Wikipedia - 90377 Sedna

  • Caltech GPS - Sedna

  • Matthew Williams

    Matthew Williams

    Matt Williams is a space journalist, science communicator, and author with several published titles and studies. His work is featured in The Ross 248 Project and Interstellar Travel edited by NASA alumni Les Johnson and Ken Roy. He also hosts the podcast series Stories from Space at ITSP Magazine. He lives in beautiful British Columbia with his wife and family. For more information, check out his website.