Sedna
Part of speech: proper noun
Definition: An Inuit goddess of the sea A trans-Neptunian planetoid
Sedna
Part of speech: proper noun
Definition: An Inuit goddess of the seaA trans-Neptunian planetoid
Sedna as a proper noun is an inuit goddess of the sea while Sedna as a proper noun is an inuit goddess of the sea
Part of speech: proper noun
Definition: An Inuit goddess of the sea A trans-Neptunian planetoid
Part of speech: proper noun
Definition: An Inuit goddess of the seaA trans-Neptunian planetoid
We hope you now know whether to use Sedna or Sedna in your sentence.