Meaning of Utopia Planitia

Uto'pia Pla•ni'tia

Pronunciation: (plu-nē'shu), [key]
  1. a plain in the northern hemisphere of Mars that was the landing site of the Viking II space probe on September 3, 1976.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.