Ishtar Terra

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Ishtar Terra
Ishtar terra topo.jpg
Topography of Ishtar Terra
Feature type Terra
Coordinates Lua error in package.lua at line 80: module 'strict' not found.
Diameter 5,610 km
Eponym Ishtar
File:Map of Venus.png
Color-coded elevation map of Venus, showing the elevated "continents" in yellow: Ishtar Terra at the top and Aphrodite Terra just below the equator to the right.

Ishtar Terra is one of two main highland regions on the planet Venus. It is the smaller of the three "continents", and is located near the north pole. It is named after the Akkadian goddess Ishtar.

The size of Ishtar Terra is roughly between the sizes of Australia and the continental United States. On its eastern edge lies the great mountain chain Maxwell Montes, which is 11 km high, compared to Mt. Everest at 8.8 km. On one side of the mountain chain is an impact crater of 100 km in diameter filled with lava.[citation needed]

Ishtar Terra contains the four main mountain ranges of Venus: Maxwell Montes on the eastern edge, Freyja Montes in the north, Akna Montes on the western edge, and Danu Montes in the southern region. These surround the lower plain of Ishtar Terra, which is named Lakshmi Planum (named after the Hindu goddess Lakshmi).

Ishtar Terra also contains volcanoes named after famous women: Sacajawea, Colette, and Cleopatra. Ishtar Terra is also the site of many tesserae, formed by tectonic deformation.[citation needed]

See also

  • Note that Ishtar Terra is located near the south pole if Venus's rotation is defined as prograde by the right-hand rule.[citation needed] The rotation of the planet is commonly characterized as retrograde in order to correlate its northern hemisphere with Earth's, in which case Ishtar Terra is near the north pole. This is the convention normally used for maps.

External links

  • Blue, Jennifer. "Ishtar Terra". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.

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