Even without a 3D picture, we can easily see that the crater’s walls are fairly steep. Phlegra Montes are a series of mountain ranges, massifs and knobby terrain in the northern lowlands of Mars.
Layers in a Phlegra Montes Impact Crater
Even without a 3D picture, we can easily see that the crater’s walls are fairly steep. Phlegra Montes are a series of mountain ranges, massifs and knobby terrain in the northern lowlands of Mars.