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Mare Australe

[ aw-stral-ee, -strey-lee ]
/ ɔˈstræl i, -ˈstreɪ li /
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noun

(Southern Sea) an area near the south pole of Mars, appearing as a dark region when viewed telescopically from the earth.

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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