Utopia Planitia

[pluh-nee-shuh]

Uto·pia Pla·ni·tia

[pluh-nee-shuh]
noun
Astronomy. a plain in the northern hemisphere of Mars that was the landing site of the Viking II space probe on September 3, 1976.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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