vastitas

vastitas

(vass -tă-tass) (plural: vastitates) an extensive lowland plain. The word is used in the approved name of such a surface feature on a planet or satellite.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
References in periodicals archive ?
The edge of Vastitas Borealis marking the sharp outer limit of the NPC was very clearly caught in the November images.
Bolger and Manning doubled-up when 16/1 shot Vastitas made virtually all to win the Intervarsity Challenge Handicap, prompting the Coolcullen trainer to declare: "Little fish are sweet."
On that showing she has ground to make up on Vastitas but with that run behind her she looks capable of turning the tables on that rival.
The landing site is in the pole-encircling plain Vastitas Borealis, the Northern Waste, in a shallow valley amid a tract of hills called Scandia Colles.
Working in the flat circumpolar region known as Vastitas Borealis -- akin to northern Canada in Earth's latitude -- Phoenix, with a panoply of high-tech equipment, will over three months dig below the surface to probe the icy ground for signs of liquid water and organic, life-supporting minerals.
It will then fire up its thrusters to slow to 8kph and land on its three legs on the circumpolar region known as Vastitas Borealis - akin to northern Canada in Earth's latitude.
The impact crater is on Vastitas Borealis, a broad plain that covers much of the far northern Martian latitudes.
Quanto circa urbem vastitas...Nonne Romani cives hostes Pontifici eius calamitatis autores fuerunt?
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