Sedna incident Synonyms

We can't find synonyms for the phrase "Sedna incident", but we have synonyms for terms, you can combine them.

Sedna Synonyms

Incident Synonyms

SI abbreviation

SI is an abbreviation for Sedna Incident
What does SI stand for?
SI stands for "Sedna Incident"

Definitions for Sedna


  • (noun) a planetoid of rock and ice about three-quarters the size of Pluto discovered in 2003; the most distant object known to orbit around the sun

Definitions for Incident


  • (noun) something that happens
  • (noun) something that is found along with something else
  • (noun) a single distinct event