[–] JoeAltmaier 10y ago ↗ Looks to be mostly craters - are there no volcanoes? [–] dhritzkiv 10y ago ↗ The article does mention several volcanic plains and vents. The craters seem to be a direct result of volcanic activity.
[–] dhritzkiv 10y ago ↗ The article does mention several volcanic plains and vents. The craters seem to be a direct result of volcanic activity.
[–] ygra 10y ago ↗ Looking at this I wonder how zero elevation is determined for other planets. Simply the average elevation over the whole planet or are there similar guides like on Earth where we use water level of the oceans?
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