Share this entry
Sedna Syllabification: Sed·na
Pronunciation: /ˈsednə/

Entry from US English dictionary

Definition of Sedna in English:

Astronomy A reddish celestial body about half the size of earth’s moon. It is the most distant known object in the solar system and orbits the sun every 10,500 years.
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources