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- This area is located on the
- North-east edge of Argyre
- Planitia. "Planitia"s are
- plains, flat desert regions.
- Argyre is about 600 miles
- across.
-
- Plains such as this and
- Hellas Planitia are "impact
- basins". These are the
- result of massive strikes
- by ancient asteroids
- which gouge out billions of
- tons of material. The heat
- generated by the blast
- will melt much of what's left
- filling up the basin with
- a lake of lava. When it cools,
- we have a flat plain.
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