Index Astronomy
Astronomy 7
Sedna
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90377 Sedna is a large minor planet in the outer reaches of the Solar System.
Discovered by Michael Brown (Caltech), Chad Trujillo (Gemini Observatory), and David Rabinowitz (Yale University) on 14 November 2003.
It is most likely a dwarf planet.
2016 J. Giesen
zuletzt geändert: 11. Jan. 2016