Syrtis Major

American  

[sur-tis] / ˈsɜr tɪs /

noun

1. an area in the northern hemisphere and near the equator of Mars, appearing as a dark region when viewed telescopically from the earth.

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Syrtis Major British  

/ ˈsɜːtɪs /

noun

1. a conspicuous dark region visible in the N hemisphere of Mars

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Example Sentences

The impact that formed Isidis occurred around 3.9 billion years ago, while nearby Syrtis Major is a volcanic province that formed some 3.6 billion years ago.

From National Geographic

The dark marking called Syrtis Major, or the hourglass, has developed an appendage on one side which makes its shape nearly square.

From Time Magazine Archive

Five thousand miles it had travelled, and yet its power was as great as when it started from the Syrtis Major.

From Edison's Conquest of Mars by Serviss, Garrett Putman

Here a high bank of reddish rock confronted the sea, whose waters ran lashing and roaring along the bluffs to supply the rapid drought produced by the emptying of Syrtis Major.

From Edison's Conquest of Mars by Serviss, Garrett Putman

Map VI "Syrtis Major" is seen on the extreme left just below the Equator.

From To Mars via The Moon An Astronomical Story by Wicks, Mark