4 ms·
First Global Topographic Model of Mercury
- JoeAltmaier 10y agoLooks to be mostly craters - are there no volcanoes?
- dhritzkiv 10y agoThe article does mention several volcanic plains and vents. The craters seem to be a direct result of volcanic activity.
- ygra 10y agoLooking 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?